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 main job of white blood cells?
- What is Asthma?
- What are companion cells?
- What is ratio of water and bacteria in faeces?
- What is anaerobic respiration?
- What is constipation?
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