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.
- What is diffusion?
- What are sepals?
- What is cough?
- What is an artificial pacemaker?
- What happens in small intestine?
- What are by-products of respiration?