Topic: Food Energy and Respiration Subtopic: Introduction
How is oxygen transported to cells?
Answer: Oxygen is taken in to the the lungs when we breathe. Diffusion takes place within the lungs and oxygen moves from lungs to blood vessels. These blood vessels take oxygen to the cells where required.
Learn also:
- What are platelets?
- What is quantity of blood in an adult?
- What makes heart sound like dub?
- Why blood is medium?
- Why are pacemaker cells important?
- Why should tissue paper or handkerchief used?