Functions of Bones

Which minerals do bones store and release?

• Calcium and phosphorus

• Iron and magnesium

• Sodium and potassium

• Zinc and copper

What forms the strong outer layer of bone?

• Spongy bone

• Compact bone

• Collagen

Spongy bone creates a ________ internal structure.

• lightweight

• dense

• rigid

• heavy

What supports the upper body weight?

• Skull

• Vertebral column

• Pelvis

What percentage of the body's calcium is stored in bones?

• 99%

• 50%

• 75%

• 25%

What percentage of the body's phosphorus is stored in bones?

• 85%

• 50%

• 30%

• 10%

Bones act as mineral reservoirs to maintain which blood levels?

• calcium and phosphate levels

• sodium and potassium levels

• iron and magnesium levels

• zinc and copper levels

What do bones release when blood levels are low?

• Calcium

• Iron

• Potassium

• Sodium

What do bones absorb from the bloodstream when levels are high?

• Calcium

• Iron

• Potassium

• Sodium

Bones support various bodily functions like muscle contraction and what else?

• The question has a diagram associated with it. The diagram has been stored separately.

• Blood cell production

• Hormone regulation

• Nutrient storage