Topic: Body Transport System Subtopic: Introduction
Why is blood important?
Answer: If your body is to keep working properly, food, oxygen, water and heat to be carried from one place to another. Carbon dioxide and other waste materials have to be excreted from the body. Blood is the medium for all these things.
- Where does bacteria in faeces come from?
- What are stomata?
- What are varicose veins?
- What happens to excess glucose in diabetic person?
- How does humidity affect rate of transpiration?
- Why are Villi essential?