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112 Cards in this Set
- Front
- Back
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electron cloud
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area around a nucleus were all electrons are located.
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Energy Level
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the electrons orbit they may change
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electron dot diagram
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the symbol of the element plus its electrons (dots) around it
. H |
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Chemical Bonds
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Joining of two or more atoms
2 types are covalent and ionic |
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Covalent bonds
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sharing of valence electrons by two atoms
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Ionic bonds
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An atom that loses an electron bonds with other atoms who gain them to make a noble gas
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Ion
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a positive or negativley charged atom
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Metallic bond
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Strong but electrons can move freely through them
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Molecule
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the smallest unit of a substance that has all of its properties
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Polar (bear^^) bond
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Type of covalent bonds were the electrons spend more time near the other atom.
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Chemical Formula
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how many elements in bonds.
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What determine the amount of energy an electron has
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Distance from the nucleus
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What term is given to the rows of the periodic table
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period
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How many electrons can each energy level hold
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1st 2
2nd 8 3rd 18 4th 32 5th 50 6th 72 |
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Why are only the outer energy level electrons shown on an electron dot diagram
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so the diagram should be easier to write
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which elements(?) in oxygen have more energy those in the first energy level or those in the second
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Outer level
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how do atoms form covalent bonds
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through sharing of valence electrons
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how many pairs of electrons are shared in an double bond
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2
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what does a chemical formula tell you about a compound
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what elements are present and how many
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Aluminum
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AL
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Carbon
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C
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Chlorine
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cl
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Copper
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Cu
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Fluorine
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F
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Barium
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Ba
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Gold
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Au
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Helium
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He
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Hydrogen
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H
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Iron
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Fe
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Lithium
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Li
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Magnesium
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Mg
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Water
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H2O
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Carbon Monoxide
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CO
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Carbon dioxide
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CO2
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Sugar
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C12H22O11
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Alcohol
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C2H5OH
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Iron
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Fe2O3
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Sulfuric Acid
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H2SO4
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Sulfer Dioxide
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SO2
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Five Functions of skeletal system
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Support ,Protection, Cell making
Movement, Mineral Storage |
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Periosteum
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Membrane that lines the outer surface of all bones except at the joints of long bones
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Cartilage
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Tough but flexible tissue
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Joint
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where two or more bones make contact
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Ligament
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Tissues that connect bones
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Muscle
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Made of elastic tissue that move
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Voluntary Muscle
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Controlled Muscle
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involuntary muscle
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Non controlled muscle
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Skeletal Muscle
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Move and support the skeleton
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tendon
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Fibrous connective tissue
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Cardiac Muscle
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Muscles like those found in the heart
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Smooth Muscle
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responsible for contracting of hollow organs like blood vessels
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What is the 1st class lever
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Fulcrum in the middle FLE
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what is the second class lever
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Load in the middle FLE
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what is the third class lever
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Effort FLE
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Skins Major functions
LARGEST ORGAN! |
Covers and protects,
Sensory Response Formation of Vitamin D Homeostasis Waste Exchange |
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Nutrient
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Compound found in nature which plants and animals need to grow.
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Animo Acid
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bulding blocks of protiens
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food group
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A family of foods in a diet
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six classes of nutrients.
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Water
Protien Carbs Fat Vitamins Minerals |
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Digestion
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breaking food down
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Mechanical digestion
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Pyshical break down of food chewing
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Chemical Digestion
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Stomach Acid
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Enzyme
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Protiens that catalyze(increase the rte of) chem reactions
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Peristalsis
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Propels food through the esophogus Muscles (even wen your upside down so it dont fall down or up^^)
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Chime
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semi liquid (eww)
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Villi
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Finger like projections
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Function Of the digestive system
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to break down food and absorb nutrients
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How long is an adult digestive system
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9 meters 30 feet GO METRIC USA!
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Major organs in the digestive system
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Mouth stomach liver pancreas small intstine large intestine
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Atrium
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Microscopic air sacs in lungs
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Ventricle
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2 chambers right and left ventricle
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Coronary Circulation
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Circulation of blood vessels in the heart
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Pulmonary Circulation
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Oxygen depleted blood away from the heart (this is the only case)
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Systemic Circulation
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carries oxygenated blood away from the heart
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Artery
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caries oxeygenated blood
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Vien
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non Oxygenated blood
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Capillary
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Small small blood vessel
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chambers of the heart
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ventricals and the atria
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The pathway of blood through the heart
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It goes through two chambers then the lungs then back through the other two
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what is blood made of
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Cells plasma platelets
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Pharynx
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part of thought directly behind the mouth
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Larynx
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Airway to lungs
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Trachea
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Begins directly below the larynx and moves to the front of the lungs
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Bronchi
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Passage of airway that conducts air into the lungs
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Alveoli
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Final Branches of the respiratory tree and act as gas exchangers.
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Diaphragm
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Dome shaped sheet of muscle that inserts into the lower ribs
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Emphysema
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Long term disease of the lungs makes it hard to breath (Shivers)
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Asthma
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Inflammatory disorder of the airways
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Functions of respitory system
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Excrete carbon dioxide and water
vapour,maintain acid base of the blood, Ventilate the lungs, extract oxygen from the air to put it in blood stream. |
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What is cellular respiration
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Were certain organisms obtain energy from organic molecules
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Neuron
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Electrically excitable cell that processes and send info in electrical and chemical signals
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Dendrite
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Treelike figure produced by a foreign mineral
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axon
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Long slender projection of a never cell
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Synapse
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Junction that permits a nueron to pass a signal
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Central Nervous system
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brain and spinal chord
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Peripheral
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Consists of nerves and ganglia outside the brain and spinal chord.
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Cerebrum
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Largest part of the brain
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Cerebellum
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allows you to control all voluntary muscles
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Brain stem
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All info passes though the brain stem
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Reflex
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Involuntary and nearly instantaneous movement (closing my eyes as they were being seasoned HEAVILY)
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Immune system
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Composed of special cells protiens and tissues(Jedi) to fight the forces of the mighty germs (dark Side)
In this saga the dark side always wins :( |
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Antigen
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Substance when introduced to body triggers the production of an antibody
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antibody
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Y shaped protein that identify and neutralize the dark side
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Active immunity
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When you become immune by having the diseas chicken pox Vaccines
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Passive Immunity
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transfer of active immunity in the form of antibody from one person to another
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vaccination
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Injecting dead or wounded disease cells inside a person to make them immune!( the dark side doesn't stand a chance for a short while at least!)
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Mitosis
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a process where the euchayotic cell seperates the chromosomes in the its celland makes two new cellz
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Chromosome
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An organized structure of dna and protien found in mah cellz
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Asexual Reprocudction
0<-< |
Is a mode of reproduction by which offspring arise from a single parent(momie an dad)
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;}<-<
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PIE!
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.-,-o-0-O-A-@
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Growth of the at symble
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Chromsomes and chromatides realated HOW!!!?!?!?!?!?!?
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Both spiral
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