Muscular System Review Packet

Muscle Tissue. 5. What are . THREE (3) functions of the skeletal system? Support the body. Protect internal organs. Produce blood cells (inside of bones, in marrow) 6. How do pairs of muscles work together? Describe. Muscles work in pairs-when one muscle contracts (or tightens) it pulls the bone in one direction, while the other muscle in the ... ................
................