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69 Cards in this Set

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  • Back
cell membrane
the outside boundary of a cell
cytoplasm
the area in between the cell membrane and nucleus; contains a jelly like substance in which structures are found
nerve tissue
a body tissue that carries messages back and forth between the brain and every other part of the body
stress
the reaction of a person's body and mind to threatening challenging or disturbing events
ligament
strong connective tissue that holds bones
sprain
an injury in which the ligaments are torn
calorie
the amount of energy needed to raise the temperature of one gram of water one Celsius degree
saturated fat
fats that are usually solid at room temperature (butter)
amino acids
small units that are linked together chemically that work together to form large protein molecules
food guide pyramid
a chart that classifies food into six groups that help people plan a healthy diet
epiglottis
a flap of tissue that seals off the wind pipe and prevents food from entering
peristalsis
an involuntary waves of muscle contraction that keep food moving in one direction through the digestive system
liver
largest and heaviest organ in the body; breaks down substances and eliminates nitrogen from the body
pancreas
a triangular organ that produces enzymes that flow into the small intestine
cell
the basic structure of structure in a living thing
mental health
a component of wellness that involves a person's feelings or emotions
continuum
a gradual progression from one extreme to another, as in the illness wellness continuum
carbohydrate
nutrients comprised of carbon oxygen and hydrogen that are a major source of energy and provide raw materials to make cells
fat
high energy nutrients that are composed of carbon oxygen and hydrogen and contain about twice as much energy as an equivalent amount of carbohydrates
cholesterol
a waxy fat like found in only animal products that is an important part of your body cells; it can build up on artery walls
vitamins
molecules that act as helpers in a variety of chemical reactions within the body
percent daily value
an indication of how the nutritional content of a food fits into a diet of a person who consumes 2000 calories a day
bile
a substance produced by the liver that breaks up fat particles
Villa
Finger like structures in the intestines that cover the surface helps in process of absorption
epithelial tissue
a body tissue that covers the body inside and out
wellness
the state of being at the best possible level of health- in the body, mind, and relationships with others
social health
a component of wellness that consists of how well person gets along with others
fracture
a small break in the bone
tendon
strong connective tissue that connects muscle to bone
melanin
a pigment that gives skin its color
nutrients
substances in food that provide the raw materials and energy the body needs to carry out all the essential life processes
glucose
a sugar that is a major source for the body's cells
unsaturated fat
fats that are liquid at room temperature (olive oil) (canola oil)
proteins
nutrients that contain nitrogen, carbon, hydrogen, and oxygen; they are intended for tissue growth and repair and play a part in chemical reactions
mineral
nutrients that are needed by the body in small amounts and are not made by living things
digestion
the process by which the body breaks down food into small nutrient molecules
enzyme
a protein that speeds up chemical reactions in the body
gallbladder
the organ that stores bile after it is produced
capillary
exchange of substances
force
push or pull
pressure
a force exerted over a given area
plasma
liquid part of blood
blood transfusion
transfer of blood from one person to another
lymph node
a knob in the lymphatic system that filters lymph
hypertension
high blood pressure
pharynx
the part of the throat belonging to the respiratory and digestive systems
larynx
voice box
bronchitis
an irritation of the lungs, they swell up and become clogged with mucus
anabolic steroid
synthetic steroids used to enlarge muscle, and can cause mood swings
cornea
clear tissue that covers the front of the eye
coronary artery
an artery that supplies the heart with blood itself
cornea
clear tissue that covers the front of the eye
atrium
two upper chambers of heart that receives blood coming into the heart
coronary artery
an artery that supplies the heart with blood itself
pacemaker
a group of cells that sends out electrical impulses that control heart beat
atherosclerosis
cholesterol builds up on artery walls
emphysema
a lung condition that makes breathing hard
urea
a chemical that comes from the breakdown of proteins and is removed from the body by the kidneys
ureters
a tube that carries urine from the kidneys to the urinary bladder
nephrons
found in kidneys and filters blood of waste and produces urine
synapse
space between an axon
ventricle
two lower chambers of the heart that pump blood out of the heart
artery
carries blood away from heart
aorta
largest artery in the body
hemoglobin
an iron containing protein that binds chemically oxygen to molecules and makes up most of red blood cells
bronchi
passage that directs air onto lungs
passive smoking
2nd hand smoking
stimulus
a change in the environment that can make an organism react in a certain way
axon
a threadlike of a neuron that carries nerve impulses away from the body