Topic: Body Transport System Subtopic: What is blood?
What are red blood cells made up of?
Answer: Red blood cells are made up of protein combined with iron.
Learn also:
- What are petals?
- What is situation of blood when it leaves heart?
- Which blood vessel carries blood and where?
- What is flu?
- What is affect of light on rate of transpiration?
- What is Asthma?