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:
- What is vein?
- How does air reach blood vessels?
- Why is heart useful?
- Where is faeces stored?
- What is constipation?
- What is ovary?