Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
87 Cards in this Set
- Front
- Back
Three kinds of muscle
|
1. Smooth Muscle
2. Cardiac Muscle 3. Skeletal Muscle |
|
Functions of Muscle
|
Motion
Locomotion Movement of though the body Thermogenesis |
|
Thermogenesis
|
Production of heat
|
|
Central Nervous System
|
Brain and Spinal Cord
|
|
Peripheral Nervous System
|
Nerves attached to the cranial
|
|
Functions of nerve tissue
|
Communication among parts of one organism
|
|
Integumentary System
|
Skin and associated structures
|
|
Epidermis
|
No blood vessels
Only in dermis and subcutaneous |
|
Melanocytes
|
Produces skin pigment melanin upon exposure to UV light
|
|
Oil glands....
|
1. Lubricate hair shaft and stratum corneum
2. Water proofs hair shaft and stratum corneum 3. Serves as food for skin bacteria --ex. pimples |
|
Sweat gland functions
|
1. Thermo-regulation of body temperatures by evaporative cooling
2. Excretion-the removal of metabolic wastes from the body 3. Chemical signals |
|
Functions of Adipose
|
1. Energy reservior
2. Thermal insulator 3. Shock absorber-cushion 4. Starting point for synthesis for body chemicals |
|
Major functions of the Integumentary System
|
1. Protection against....
2. Sensory perception 3. Thermo-regulation 4. Excretion 5. Energy Storage-calories 6. Synthesis of vitamin D upon exposure to sunlight |
|
Integumentary System protects against...
|
-UV light damage
-Water-proof(no easy gain or loss of water through the skin) -Chemical proof -Pathogen proof -Mechanical damage |
|
SKELETAL SYSTEM
|
UNIT TWO
|
|
2 components of the skeletal system
|
1. Bone
2. Cartilage |
|
Connective tissues
|
1. Bone
2. Cartilage |
|
Three types of Cartilage
|
1. Hyaline Cartilage
2. Elastic Cartilage 3. Fibrous Cartilage |
|
Hyaline Cartilage
|
EX: end of nose, where two bones meet together
|
|
Elastic Cartilage
|
EX: Ear(external ear-pinna)
|
|
Fibro Cartilage
|
EX: Intervertabrail disc, backbone-vertabrae
|
|
Chondrocyte
|
living cartilage that produce matrix
|
|
Volkman Canals
|
Connect one Haversion canal to other Haversion Canals
|
|
Canaliculi
|
Carry oxygen and glucose from blood to haversion canal to the osteocytes
|
|
Major types of joints
|
-Hinge Joints
-Ball and socket joints -Gliding joints -Pivot joint -Immovable joint -Partially movable joint |
|
Hinge Joints
|
freedom and movement on one geometric plane
|
|
Ball and socket joint
|
Provides the most freedom of movement of all the joints
Humerous and scapula--femur and pelvis |
|
Gliding Joint
|
AKA sliding joint
|
|
Pivot Joint
|
Atlas and axis
|
|
Immovable Joints
|
Bones fused together-bones of the skull
|
|
Partially Movable Joints
|
Between sacraman ilium and two pubic bones in woman
|
|
Major functions of the skeletal system
|
1. Protection
2. Attachment sites for muscles 3. Reservior for salts of calcium 4. All blood cells produced by bone marrow |
|
Muscular System
|
UNIT TWO
|
|
Types of Muscles
|
1. Skeletal Muscle
2. Smooth Muscle 3. Cardiac Muscle |
|
Where are skeletal muscles found?
|
Attached to skeleton
|
|
What are skeletal muscles functions?
|
Motion and locomotion
|
|
Skeletal muscles have....
|
Many nuclei per cell
Rod-shaped Striations |
|
Cell Membrane on skeletal muscles is called the ___________
|
Sarcolemma
|
|
Where are smooth muscles found?
|
In walls of hollow organs and structures
|
|
What are the functions of smooth muscles?
|
Movement of substances(food) though the body
|
|
Smooth Muscles have....
|
One nucleus per cell
Tapered on ends Spindle shaped NO striations |
|
Where are cardiac muscles found?
|
The heart
|
|
What are the functions of cardiac muscles?
|
Pumps blood though the body
|
|
Cardiac muscles have....
|
One nucleus per cell
Branched cells Intercaculated discs Striations |
|
All or none Law of Muscle Contraction
|
1. One muscle cell can contract 100% or 0%
2. ONE motor unit can contract 100% or 0% 3. ONE sarcomere can contract 100% or 0% |
|
Muscle Tone= Tonus= Firmness=
|
a few motor units at a time take turns actively contracting and relaxing
|
|
What is the strongest tendon in our body?
|
Achilles Tendon
|
|
Latent Period
|
The period of time after a muscle was stimulated but before it begins to contract
|
|
Refractory Period
|
The period of time during muscle contraction which additional stimulation does not result in additional contraction
|
|
Functions of the Muscular System
|
1. Motion
2. Locomotion 3. Movement of substances through the body 4. Thermogenesis |
|
Digestive System
|
UNIT FOUR
|
|
Ingestion=
|
eating
|
|
Digestion=
|
The chemical break down of large macro-molecules in to their building blocks
|
|
Absorption=
|
Movement of breakdown products from digestive tract into circulatory system for distribution throughout the body
|
|
Salivary Glands
|
Paratoid gland
Submandibular gland sublingual gland |
|
Homoestasis
|
The means by which organisms maintain a constant internal environment in spite of fluctuations in the external environment
|
|
Substances from a Haversion Canal are transported to lacuna by channels called
|
Canaliculi
|
|
Large Intestine contains...
|
1. Cecum and appendix
2. ascending colon 3. transverse colon 4. descending colon 5. sigmoid colon 6. rectum |
|
Maltase breaks into __________ in the intestinal glands
|
maltose
|
|
Maltose breaks into
|
glucose and glucose
|
|
Sucrase breaks into _________ in the intestinal gland
|
sucrose
|
|
Sucrose breaks into
|
a glucose and a fructose
|
|
Lactase breaks ________ in the intestinal gland into....
|
lactose
|
|
Lactose breaks into
|
a glucose and a glactose
|
|
Aminopeptidase breaks ______in the intestinal gland down to amino acids
|
protiens
|
|
Peristalsis
|
Rhythmic contractions of smooth muscle
|
|
Bile
|
produced by the LIVER and stored in the GALLBLADDER
|
|
__________ is not a digestive enzyme
|
Bile
|
|
Bile _________ fats
|
emulsifies
|
|
Work horse of digestive glands
|
pancreas
|
|
Pancreas Enzymes
|
1. Trypsin
2. Chymotrypsin 3. Carboxypeptidase 4. Lipase 5. Amylase 6. DNAase 7. RNAase |
|
Lipase
|
breaks down lipids into glycerol and fatty acids
|
|
Amylase
|
breaks starches down into maltose
|
|
DNAase
|
breaks DNA into nucleotides
|
|
RNAase
|
breaks RNA into nucleotides
|
|
Digestion happens in the.....
|
1. Mouth
2. Stomach 3. Small Intestine |
|
Small Intestine is made of the
|
Duodenum
Jejunum Ileum |
|
In order of the digestive tract, what are the sphincters?
|
1. Cardiac Sphincter
2. Pyloric Sphincter 3. Ileocecal valve 4. Anal Sphincter |
|
The _______ duct carries bile from the gallbladder to the duodenum
|
Bile
|
|
Living bone cell is called
|
Osteocyte
|
|
Haversion canals are made of
|
Blood vessels and nerves
|
|
The osteocytes produce
|
matrix
|
|
The subcutaneous layer contains
|
blood vessels
free nerve endings Adipose cells |
|
The top four layers of the epidermis are called the
|
stratum corneum
|
|
The stratum corneum are _____________ filled with ________ ________
|
dead cells filled with keratin protien
|
|
The bottom layer of the epidermis is called the
|
stratum germinativum
|
|
In the stratum germinativum....
|
living cells undergo constant mitosis
|