Skeletal system

Question 1

function

Answer 1

It provides shape and support, enables you to move, protects your internal organs, produces blood cells, and stores certain materials until your body needs them

Question 2

compact bone

Answer 2

The compact bone is dense but no solid.Small canals run through the compact bone. These canals carry blood vessels and nerves from the bone’s surface to the living cells within the bone.

Question 3

outer membrane

Answer 3

• thin, tough membrane covers all of the bone except the ends
• blood vessels and nerves enter and leave the bone through the membrane.

Question 4

spongy bone

Answer 4

Although spongy bone has many small spaces like a sponge, it is hard like all bones. This structure functions to make spongy bone lightweight but strong.

Question 5

bone marrow

Answer 5

• Red bone marrow produces the body’s blood cells

- yellow marrow stores fat, which serves as an energy reserve