Topic: Body Transport System Subtopic: What is blood?
What is size of white blood cell?
Answer: A white blood cell is twice as big as a red blood cell. This is why they are found in low quantities in the blood.
- What causes smoker to cough?
- What is an inhaler?
- What is insulin?
- Why do not plants require huge amount of raw materials?
- What is digestive system?
- What is absorbed in large intestine?