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 meant by word extinct?
- What are products of respiration?
- Where are dead red blood cells broken?
- What is chlorophyll?
- What gas is present in cigarette?
- What are companion cells?