Respiratory and Circulatory System

How many chambers does the heart have?

• 3

• 4

• 5

• 6

What does a red blood cell pick up to take to the heart?

• blood

• capillaries

• food

• oxygen

The respiratory system helps you get _______.

• carbon dioxide

• water

• oxygen

• air

Air travels down the _____ to your lungs.

• mouth

• air sacs

• nose

• trachea

What are the functions of the respiratory system? Choose all that apply.

• feeling

• digestion

• sneezing

• talking

What is a type of blood cell?

• green blood cell

• red blood cell

• purple blood cell

• black blood cell

Tags

NGSS.MS-LS1-3

What is a heartbeat?

• The sound of your veins pumping blood.

• The sound and feeling of your heart pumping blood through your body.

• The blood moving through the veins.

When you exhale you release _______.

• Oxygen

• Nitrogen

• Carbon Dioxide

What is the purpose of the respiratory system?

• to breathe and exchange oxygen and carbon dioxide

• to filter blood

• to digest food

• to pump blood

Oxygen enters throught the mouth and the nose when you inhale.

• True

• False

• I do not know.