Question

human reproductive system test unit test
what substance does your body release from your lungs while keeping oxygen, during the
exchange of air?
(1 point)
microorganisms
carbon dioxide
plasma
mucus

Explanation:

During the process of gas exchange in the lungs, oxygen is taken in and carbon dioxide (a waste product of cellular respiration) is released. Microorganisms are not released from lungs during air exchange, plasma is a component of blood, and mucus is for trapping particles, not the main substance released during gas exchange.

Answer:

B. carbon dioxide