Skeleton

Question 1

What is the function of the skeleton?

Answer 1

• support
• protection
• movement
• marrow and blood cell production

Question 2

What is cartilage?

Answer 2

Smooth elastic tissue, a rubber-like padding that covers and protects the ends of the long bones at the joint

Question 3

What is reabsorption?

Answer 3

The process by which osteoclasts break down the tissue in bones and release the minerals, resulting in a transfer of calcium from bone to the blood.

Question 4

What is ossification?

Answer 4

The process of laying down new bone material by cells called osteoblasts

Question 5

How does bone remodelling work?

Answer 5

• the process of ossification and resorption
• ossification involves taking minerals from the bloodstream such as calcium and magnesium and using it to build hard bone
• in order for a bone to maintain its size and strength the rate of resorption = the rate of ossification