Physiology of the Respiratory System

Question 1

What are the functions of the respiratory system?

Answer 1

Gas exchange, acid base balance, protection from infection and communication

Question 2

What is the function of pulmonary circulation?

Answer 2

Delivers carbon dioxide to the lungs and picks up oxygen and takes it to the heart

Question 3

What is the pulmonary artery?

Answer 3

Artery that travel away from the heart towards the lungs. The only artery that carries deoxygenated blood.

Question 4

What is the pulmonary vein?

Answer 4

Vein that travels towards the heart from the lungs. The only vein that carries oxygenated blood.

Question 5

What does integration of respiratory and cardiovascular systems allow?

Answer 5

Movement of gases between the air and the body’s cells. External respiration.

Question 6

Where does gas exchange occur in the lungs?

Answer 6

Alveoli

Question 7

What are the average volumes of oxygen and carbon dioxide exchanged per minute?

Answer 7

250ml of oxygen

200ml of carbon dioxide

Question 8

What is the average breathing rate?

Answer 8

10-20 breaths per minute

Question 9

What is the respiratory system responsible for?

Answer 9

Removing carbon dioxide and acquiring oxygen