Introduction and Anatomy of Lungs, Airways and Blood Supply

Question 1

functions of respiratory system

Answer 1

gas exchange
acid base balance
protection from infection
speech

Question 2

importance of gas exchange

Answer 2

need oxygen for cellular respiration to produce energy

Question 3

what is the role of the CV system for respiration?

Answer 3

transports oxygen to tissues for respiration and removes carbon dioxide (by-product)

Question 4

define external respiration

Answer 4

integration of respiratory and CV system allows movement of gases b/w the air and the body’s cells

Question 5

what are the roles of the pulmonary artery and vein?

Answer 5

pulmonary artery travels away from heart to lungs (carries deoxygenated blood), pulmonary vein travels from lungs to heart (carries oxygenated blood)

Question 6

how does the pulmonary circulation differ from the systemic circulation?

Answer 6

pulmonary circulation picks up oxygen and delivers carbon dioxide,