7.12b

What is the coating, marked by arrows in the diagram shown, at the ends of the leg bones?

• White blood cells

• Rock

• Marrow

• Cartilage

What kind of joint is pictured in the diagram shown ?

• A semi-moveable joint, allowing back and forth movement

• A moveable joint, allowing back and forth movement

• A semi-moveable joint, allowing twisting

• A moveable joint, allowing twisting

What is the main point of paragraph 3?

• Red blood cells

• The skeletal system

• The structure of a bone

• Bones, cartilage, and blood vessels

In paragraph 3, which word or words best describe Haversian systems?

• Ligament

• Bone marrow

• Circular structures

• Cartilage

Which sentence would the author disagree with?

• Bones adapt to the functions they perform.

• A flexible skeletal system allows mobility for our body.

• Bone shapes are genetically controlled and routinely modified depending upon the work performed by the muscle.

• Each bone is a non-living organ comprised of several different tissues

The skeletal system has many functions. Which of the following body functions does the skeletal system not do?

• Remove germs from the blood

• Protect the internal organs

• Give shape and support to the body

• Produce red and white blood cells