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Muscles: Glossary

B

bicep
muscle of the upper arm

C

cardiac muscles
muscles of the heart
conscious
with thought
contract
shorten

D

deltoid
shoulder muscle

G

gluteus maximus
muscle located to the rear and above the legs - often called the butt
goose bumps
small bumps on the skin when cold or scared

H

hair follicle
the small opening in the skin where hair grows

M

masseter
muscle in the jaw responsible for chewing
musculoskeletal system
all of the muscles, bones, joints, and related structures, such as the tendons and connective tissue, that function in the movement of body parts and organs

N

nervous system
large body system which controls brain and nerves

P

pectorals
muscles in the upper chest
physical exercise
body activity which improves or maintains good health
protective gear
helmets, shin pads, etc. which protects the body

Q

quadriceps
muscles of the upper thigh

S

sartorius
long muscle which connects the hip to the knee - part of the quadriceps
shivering
shaking of the body due to cold or fear
skeletal system
a body system which includes all of the bones, joints, and cartilage
smooth muscles
muscles of the body which make up the internal organs and other parts over which a person has no physical control
sprain
severe tear of muscle tissue
stapedius
muscle which is attached to one of the small bones of the inner ear
susceptible
unable to resist

V

voluntary muscles
muscles that can be consciously moved and are attached to the skeletal system

X

x-ray
a light wave used to see through skin, used to diagnose bone breakage and other illness
x-ray technician
a medical professional who takes, processes, and reads x-rays
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