Bone growth and remodelling

Is the main function of osteoblasts to build up bone?

• True

• False

What is bone remodelling otherwise known as?

• Osteocytes

• Osteoblasts

• Osteoporosis

• Ossification

What is the main role of calcium?

• production of red blood cells

• strengthen the bone

• production of yellow bone marrow

• bone creation

Where are the growth plates located on a bone?

• Middle

• There isn't' any

• On each end

• On the outside

What is the medical condition that weakens bones?

• arthritis

• anaemia

• ossification

• osteoporosis

What is the role of osteoclasts?

• remove excess calcium

• build up bone

• to widen the bone

What is the function of vitamin D?

• helps to absorb calcium

• building bone

• growing bone

• strengthen bones

Why is it important in bone remodelling to do weight bearing exercise?

• cause an injury

• to make bones bigger

• to make bones stronger

• to lose weight

What is the process of 'formation' in bone remodelling?

• osteoblasts lay down new bone

• osteoblasts remove old bone

• osteoblasts break down tissue

• osteoclasts lay down new bone

What if there is not enough calcium in a young child's diet?

• bones do not grow

• bones become stronger

• nothing happens

• bones are broken down