Circulatory and Respiratory Systems

What is the main organ in the circulatory system?

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• 
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When you exhale, carbon dioxide leaves the body and it releases_____________.

• gas

• air

• toxins

• germs

Blood that moves from the heart delivers oxygen and _______________ to every part of the body.

What are the two main parts of the heart (check 2 answers)?

• atria

• veins

• ventricles

• capillaries

The main function of the circulatory system is

• gives the body structure and support

• transport blood, nutrients, and waste in the body

• dispose of waste from the body

• transport messages from the body to the brain

True of False: The circulatory system includes all your bones.

• True

• False

The respiratory system is made up of the trachea, the lungs, and the:

• liver

• diaphragm

• esophogus

• pancreas

When you inhale, your lungs _________

• inflate

• turn purple

• deflate

• remain the same

Does your blood have cells in it?

• True

• False

What do the circulatory and respiratory systems have in common?

• The help your body move.

• They supply your body with oxygen and cells.

• They break down the food in your body.

• They both aid in healing your body.