Topic: Food Energy and Respiration Subtopic: Introduction
What happens if sufficient oxygen is not present?
Answer: An example of insufficient amount of oxygen is a running race. In running race, our body cannot get enough oxygen for the movement of our muscles, so the body gets that energy by breaking down glucose in the absence of oxygen, this produces lactic acid which makes us tired.
- Which chamber is connected to which vessel?
- What are varicose veins?
- What are platelets?
- What are symptoms of cold?
- Which blood vessel carries blood and where?
- What are fats and functions?