| A | B |
| cartilage | cusions joints so bones don't rub on each other |
| ligament | tough band of tissue that hold bones together |
| dermis | middle layer of skin |
| epidermis | outermost layer of skin |
| marrow | substance in center of bones that makes blood cells |
| peripheral nervous system | nerves |
| periosteum | tough outer covering of bones |
| gliding joint | most comonly used joint |
| smooth muscle | involuntary muscle of digestive system |
| peristalsis | back and forth motion that moves through digestive system |
| compact bone | hard, strong layer of bone |
| 5 functions of skeletal system | shape /support, protect organs, move muscles, make blood cells, store minerals |
| vein | move oxygen poor blood to hear |
| urinary bladder | stores urine |
| artery | move oxygen rich blood from heart |
| bronchi | branch-like tubes of respiratory system |
| immovable bones | skull, pelvis |
| red blood cells | transports oxygen |
| cartilage | flexible covering on bones |
| central nervous system | brain & spinal cord |