Free MCQsLearn App Download - 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:
- Where do gases enter and leave plant?
- Which blood protein is found in plasma?
- Why is heart useful?
- What are raw products used by plants?
- How is pulse detected?
- What is size of white blood cell?
