Carbon dioxide

Summary: Carbon dioxide is a waste product made inside cells during respiration. This substance moves by diffusion out of the cells into the blood. It is carried around your body in your blood to your lungs, and then breathed out. Tags: science student-book-7 biology Created: 2026-05-21 Last Updated: 2026-05-21

Carbon dioxide

Carbon dioxide is a waste product made inside cells during respiration. This substance moves by diffusion out of the cells into the blood. It is carried around your body in your blood to your lungs, and then breathed out.

Source

This concept is from the [Science Student Book 7](Science Student Book 7/Biology/Cells/1.4 Diffusion in cells.md), Biology section.