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 job of phloem?
- What is anaerobic respiration?
- What is alveolus?
- How are these parts arranged?
- What blood is found on right hand side?
- How many chemicals are used in tobacco smoke?