Topic: Body Transport System Subtopic: What is blood?
What is quantity of re blood cells in blood?
Answer: In about every 1mm3, there are approximately 5 million red blood cells.
Learn also:
- How does air enter our lungs?
- What are fats and functions?
- How does mineral salts enter roots?
- What is Nicotine?
- How can constipation be prevented?
- How is food absorbed?