The musculoskeletal system also has fluid filled sacs that facilitate joint movement. These allow muscles and tendons to move and glide over bones and are called:
a. fibrous tissue sacs c. cartilage
b. bursae d. periosteal sacs
B
Bursae are sacs filled with fluid that facilitate joint movement by making it possible for muscles and tendons to move or glide over ligaments or bones.
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