Just breathe

Which of the following gases makes up the majority of the air that we breathe?

• Nitrogen

• Oxygen

• Carbon dioxide

Which of the following gases makes up the minority of the air that we breathe?

• Nitrogen

• Oxygen

• Carbon dioxide

Which of the following body parts do you think is not involved in the breathing process?

• Lungs

• Diaphragm

• Intercostal muscles

• Collar bone (Clavicle)

The surface area of the lungs, if spread out, would be equal to:

• A single bed

• A king sized bed

• A tennis court

• A rugby field

Chose the most correct answer. The respiratory (breathing) system is responsible for:

• Getting oxygen into the blood

• Getting carbon dioxide out of the blood

• Getting oxygen into and carbon dioxide out of the blood

• Getting oxygen into and carbon dioxide out of the blood as well as hormone transport

Which of the following do you think is not a process of the respiratory (breathing) system?

• Heat production

• Respiration

• Inhalation

• Exhalation