Author Question: Which of the following is an example of diffusion? A) Inhalation of air into the lungs B) Build-up ... (Read 64 times)

Mr. Wonderful · **on:** Feb 27, 2019

Which of the following is an example of diffusion?
A) Inhalation of air into the lungs
B) Build-up of carbon dioxide in the cells
C) Warming and moistening of inhaled air before it passes to the alveoli
D) Passage of oxygen from the alveoli to the blood

Question 2

A deep, prolonged breath that fills the lungs, believed to be caused by the need to increase the level of oxygen in the blood, is called _____.
A) coughing
B) hiccups
C) sneezing
D) yawning