Kategorier: Alle - types - muscles - injuries - bones

av james cosmai 13 år siden

3342

Skeletal System

The skeletal and muscular systems are essential for human movement, support, and various bodily functions. The muscular system operates through the contraction and relaxation of muscles, which release energy from glucose.

Skeletal System

force that moves bones

Skeletal System and Muscular System

MUSCULAR SYSTEM

Types Of Muscel
Cardiac

does'nt tire quickly

found in heart

Smooth

React slow, does'nt tire easy

Found In internal organs

Skeletal

attached to bone by tendon

React and tire quickly

attached to skeleton

Muscel Control
Involuntary

Ex. Cardiac

Muscel you control

Voluntary

Ex. Running, turning a book

You dont have to think about it

How Muscels Work
Muscels release energy from breaking down gluose
one contracts, one relaxes
Injuries
Happens when muscels are over-worked
Tear

Muscel streches to far, pulled apart

Cramp

muscel contracts strongly

SKELETAL SYSTEM

Marrow
Yellow Marrow

Fat is stored

Red Marrow

Red blood cells made

Outer membrane
where blood vessels and nerves enter and leave bone
Compact Bone
many small canals, where blood vesels enter and leave
very hard, not solid
Boens are hard
They are made up of hard minerals-calcium and phosporus
Spongy Bone
Light wieght, strong, many spaces
5 major functions
protect organs
movement
for structure
to make blood cells
stores minerals
Tendon
Connects muscle to bone
Joints

print tommorow before school/ monday before school

Ball socket joint

shoulders

hips

gliding joint

ankle

wrist

Imovable joint

skull

Pivot joint

neck

Hinge joint

knee

elbow

Ligaments
Connect muscle to bone
Axial Skeleton
skull,ribs and vertebrae
Appendicular skeleton
upper and lower extermities, shoulder and hip bones