MICROANATOMY

Detailed explanation-1: -When you breathe, you take oxygen into your lungs as you inhale, and you release carbon dioxide and water vapor as you exhale. Cellular respiration is the process in which the cells of living things use oxygen to break down glucose for energy, releasing carbon dioxide and water as waste.

Detailed explanation-2: -The lungs and respiratory system allow us to breathe. They bring oxygen into our bodies (called inspiration, or inhalation) and send carbon dioxide out (called expiration, or exhalation). This exchange of oxygen and carbon dioxide is called respiration.

Detailed explanation-3: -The carbon dioxide breathed out is a by-product of the process of cell respiration, as is water. In this process, energy is produced in the mitochondria of cells.

Detailed explanation-4: -And when you breathe out (exhale), your lungs put carbon dioxide back into the air. However, the breath you exhale doesn’t only contain carbon dioxide. It also contains moisture from your mouth and lungs. This moisture is in the form of water vapor, the gas form of water.