11/22/19 Starter

Which body system takes in oxygen for breathing?

• skeletal

• digestive

• respiratory

• muscular

What are the major organs of the respiratory system?

• brain

• nerves

• stomach

• lungs

What invisible gas does the respiratory system take in?

• carbon dioxide

• oxygen

• smoke

• fog

Which body system takes in nutrients?

• digestive

• respiratory

• muscular

• skeletal

Which body system sends messages?

• skeletal

• digestive

• muscular

• nervous