Skeletal + Muscular System

5 main roles of the skeletal system

SSPP support, storage, protection, production

cartilage

a tough supportive tissue that is softer and more flexible than bone

ossification

minerals are deposited within the developing bone, making it hard

marrow

a type of tissue that fills the spaces in bones

joint

a place where 2 or more bones come together, protect bones from friction and force

osteoporosis

a condition in which the bones become weak and break easily

2 types of bone

compact bone + spongy bone

red marrow

found in some spongy bone; produces red blood cells

yellow marrow

found in the hollow centers of long bones; stores fat

ligaments

strong fibrous bands that hold bones together

3 pes of muscle tissue

smooth muscle, cardiac muscle, skeletal muscle

tendons

thick strands of tissue

muscle tone

constant tension in muscles

atrophy

a condition in which muscles weaken and shrink from lack of use