Author Question: What is the primary purpose of the respiratory system? a. Continuous absorption of oxygen (O2) ... (Read 33 times)

folubunmi · **on:** Jul 16, 2018

What is the primary purpose of the respiratory system?

a. Continuous absorption of oxygen (O2) and excretion of carbon dioxide
b. Filtering to prevent allergens and microbes from reaching the lungs
c. Transport oxygenated blood to the tissues
d. Warm and humidify inspired gas

Question 2

What is meant by internal respiration?

a. Any gas exchange that occurs inside the body
b. Consumption of O2 in the mitochondria
c. Continuous absorption of O2 and excre-tion of carbon dioxide
d. Exchange of gases between the blood and the tissue

lindahyatt42 · **Reply #1 on:** Jul 16, 2018

Answer to Question 1

ANS: A
The respiratory system's primary function is the continuous absorption of O2 and the excretion of carbon dioxide.

Answer to Question 2

ANS: D
This process supports internal respiration, which is the exchange of gases between blood and tis-sues.