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BONES
Question | Answer |
---|---|
How many bones build the whole skeleton | 206 |
How many of the bones of the skeleton are made up of the appendicular skeleton | 126 |
Humerus | Upper arm |
Ulna | Medial - lower arm bone |
Radius | lateral - lower arm bone (lines up with thumb) |
Olecranon process | elbow (end of ulna) |
Carpals | eight wrist bones |
Metacarpals | five radiating bones to the fingers |
Phalanges | three phalanges for each finger, two phalanges for each thumb |
what is the only bone in the upper arm as well as the second largest bone in the body? | Humerus |
Vertebrates | organisms with a backbone or spine |
invertebrates | organisms without a backbone or spine |
What are the three main structures of the Musculoskeletal | skeleton, joint, muscles |
What are the two types of bones? | Compact & Spongy |
Compact Bone | a dense, hard bone located near the surgace of the bone |
Spongy Bone | found on the inner wall of the bone |
Yellow marrow consists of what? | mostly fat |
Red marrow prodcues what? | blood cells, a process called hemopoiesis |