The heart and blood

Your heart is a muscle.

• True

• False

How many chambers are in your heart?

• 1

• 2

• 3

• 4

Which of these is a part of your heart?

• lung

• top ventricle

• left ventricle

• plasma

Your heart is about as big as your foot.

• True

• False

What part of the blood fights infection?

• red blood cells

• white blood cells

• platelets

• plasma

What part of the blood carries nutrients?

• Red blood cells

• White blood cells

• Platelets

• Plasma

What are valves?

• Chambers in your heart

• Parts of the blood

• Doors between the chambers in your heart

We breathe in _______.

• carbon dioxide

• oxygen

We breathe out______

• carbon dioxide

• oxygen

Tags

NGSS.MS-LS2-3

How many quarts of blood are in the human body?

• 7

• 6

• 5

• 3