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 are fats and functions?
- What are platelets?
- Where are pulses felt?
- What is size of white blood cell?
- What is semi-permaeable membrane?
- What is trachea or windpipe?