Respiratory and Circulatory System Quiz

What is the main function of the respiratory system?

• The main function of the respiratory system is to transport nutrients.

• The main function of the respiratory system is to regulate body temperature.

• The main function of the respiratory system is to produce mucus.

• The main function of the respiratory system is to facilitate the exchange of oxygen and carbon dioxide between the body and the environment.

Where does gas exchange occur in the respiratory system?

• diaphragm

• trachea

• bronchi

• alveoli

What is the process of inhaling and exhaling called?

• inhalation

• exhalation

• breathing

• respiration

What is the function of alveoli in the respiratory system?

• The function of alveoli in the respiratory system is to filter dust particles from the air.

• The function of alveoli in the respiratory system is to produce mucus.

• The function of alveoli in the respiratory system is to regulate body temperature.

• The function of alveoli in the respiratory system is to facilitate the exchange of oxygen and carbon dioxide.

Tags

NGSS.HS-LS2-3

What is the main function of the heart?

• To produce hormones

• To filter waste products

• To digest food

• To pump blood throughout the body

Blood leaving the human heart may travel to...

• arteries in the heart.

• the lungs.

• the brain.

• all the cells in the body.

What is the process of blood circulation in the body called?

• Respiration

• Digestion

• Excretion

• Circulation

One main function of the capillaries in the circulatory system is to...

• maintain a normal pulse rate.

• prevent people from bleeding too much when they are cut.

• reverse the flow of blood.

• carry oxygen and nutrients to every cell.

What is the smallest blood vessel in the human body?

• Capillary

• Artery

• Lymphatic vessel

• Vein

What would be a good model of the human heart?

• A valve

• A Balloon

• A Pump

• A fist

Tags

NGSS.MS-ETS1-1