Topic: Body Transport System Subtopic: What is blood?
How does white blood cell deplete germ?
Answer: A white blood cell is always on the lookout for a harmful bacteria. Whenever it sees one, it engulfs it (wraps around it and eats it).
- Why is heart useful?
- What are intercoastal muscles?
- What are capillaries?
- What is chemical process in digestion?
- How much is life of red blood cell?
- What happen when we exhale?