The Heart and Lungs

Blood travels from your heart to all parts of your body through your

• capillaries.

• veins.

• arteries.

• valves.

Blood enters your heart through your

• lungs.

• stomach.

• mouth.

• esophagus.

Blood returns to the heart through

• red blood cells.

• arteries.

• capillaries.

• veins.

Your heart is a pump that moves blood through your body. This process is called

• digestion.

• circulation.

• respiration.

• breathing.

Another name for your windpipe is called your

• bronchi.

• trachea.

• esophagus.

• breathing tube.

True or False:

When you "inhale" you breath out.

• True

• False

What can you do to maintain a healthy heart and lungs?

• Eat right.

• Exercise.

• Get plenty of rest.

• All of the above.