| A | B |
|---|
| skeletal muscle | helps move you from place to place |
| cardiac muscle | found in the heart |
| smooth muscle | found in internal organs such as digestion |
| tendons | connective tissue that attaches muscle to bone |
| muscle fiber | muscle cell |
| sarcomere | part of the muscle which contracts |
| actin | protein making up thin filaments of sarcomere |
| myosin | protein making up thick filaments of sarcomere |
| sliding filament model | describes/explains muscle contraction |
| requirements for muscle contraction | ATP molecules and calcium ions |
| movement | function of musclular system |
| cranium | another name for the skull |
| excretory organ of the skin | sweat gland |
| function of the skin | barrier to keep dirt/bacteria out |
| nervous system | controls all the other systems |
| excretory system | excretes waste from the body |
| digestive system | get nutrients into the body |
| immune system | fights off disease |
| muscular system | primarily for movement |
| circulatory system | made of heart and vessels |
| Repiratory system | made of lungs and diaphram |
| patella | knee cap |
| humerus | upper arm bone |
| femur | upper leg bone |
| metatarsals | foot bones |
| pelvis | hip |
| tarsals | ankle |
| haversian canal | passageway in bone for blood vessels |
| red marrow | type of marrow which produces blood cells |
| yellow marrow | type of marrow which stores fat |
| ossification | process which turns cartilage into bone |
| synovial fluid | lubricant fluid found in joints |
| involuntary muscle | type of muscle found in organs and blood vessels |
| voluntary muscle | type of muscle found in arms and legs for movement |
| ATP | the energy source for muscle contraction |
| flexor | muscle that bends a joint |
| extensor | muscle that straightens a joint |
| oxygen debt | temporary lack of oxygen to muscles |
| sebum | type of oil secreted by the oil glands in skin |
| epidermis | top layer of skin |
| dermis | middle layer of the skin |
| subcutaneous | layer of skin with fat cells |
| keratin | type of protein found in skin, hair and nails |
| atrium | a top chamber of the heart |
| ventricle | a lower chamber of the heart |
| sinoatrial node | pacemaker of the heart |
| left ventricle | chamber of the heart which pumps blood into the aorta |
| lungs | where the blood goes in the heart after the right ventricle |
| diastolic pressure | lower pressure in blood vessels |
| systolic pressure | higher pressure in blod vessels |
| pulmonary circulation | circulation from the heart to the lungs |
