Author Question: What is primarily exchanged in the lungs during the process of breathing? A) carbon dioxide in and ... (Read 50 times)

berenicecastro · **on:** Jul 12, 2018

What is primarily exchanged in the lungs during the process of breathing?
A) carbon dioxide in and oxygen out
B) oxygen in and carbon dioxide out
C) carbon monoxide in and oxygen out
D) oxygen in and carbon monoxide out
E) hydrogen dioxide in and hydrogen peroxide out

Question 2

When deliberately tensed in a step-by-step, systematic process, muscles become exhausted and automatically relax, which helps other internal organs relax.
Indicate whether the statement is true or false