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.
Learn also:
- Why should tissue paper or handkerchief used?
- What is size of white blood cell?
- What is inside heart?
- What is situation of blood when it leaves heart?
- What is role of immune system in heart transplant?
- How does roots get energy and grow?