Body Systems

The places where two bones meet are ____.

• smooth muscles

• involuntary muscles

• joints

• skeletal muscles

When you eat a healthful eating plan, your bones and muscles get the proper ____.

• relaxation

• body composition

• nutrients

• oxygen

Places where one bone meets another are __________.

• organs

• joints

• tissues

• muscles

Your elbow is a __________ joint.

• hinge

• pivot

• ball-and-socket

• gliding

muscles that contract and relax on their own

• flexibility

• calcium

• voluntarily

• involuntarily

exercise that helps the body move easily

• flexibility

• endurance

• strength

• cardio

strengthens your bones

• fats

• potassium

• calcium

• dairy

muscles you are able to control

• voluntary

• involuntary

• flexibility

• stable

Arteries are blood vessels that carry blood from the body back to the heart.

• True

• False

The yellowish, watery part of the blood that makes up over half its volume is ____.

• carbon dioxide

• platelets

• plasma

• Rh-factor