Topic: Body Transport System Subtopic: What is blood?
Where are red blood cells made?
Answer: When old ones die, new red blood cells are produced in the bone marrow, which fills the center of the large bones like shin bone.
- What is oxygenated blood?
- What is Emphysema?
- What makes heart sound like lub?
- What happens if excess lactic acid is produced?
- What are stomata?
- What is chance of smokers of dying from bronchitis?