Skeleton Vocab

Terms in this set (19)

Skeleton located inside the body tissues.

Rigid, tough, outer protective layer that covers soft tissues.

Animals with exoskeletons need to molt to get larger.

Interlocking, microscopic needle structures.

Bone cells that build new tissue.

Break down bone

Is shaped like a cylinder and runs parallel to the long axis of the bone.

Haversian canal

Blood vessels and nerves pass through the Haversian canals.

Structural protein found in the skin and connective tissue.

A double membrane that surrounds the outside of a bone.

How many bones in a human body

Skull, spine, and rib cage. Consists of 80 bones

Appendicular skeleton

Limbs, collarbones, shoulder blades, bones of the pelvis. Has 126 bones.

Bone tissue containing a high proportion of calcium phosphate.

Medullary cavity

Contains bone marrow.

Ends of long bones, middle of others. Many spaces for marrow. The site for production of red blood cells.

Two bones come together to make a joint.

Articular cartilage

Reduces friction; increase movement of a joint.

The clot formed at the site of a bone break.

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