This is because iron is used to make a protein called hemoglobin. This protein helps blood cells carry oxygen around the body.
Answer that I say is that the thing is protein.
Answer:
Cellular Respiration
Explanation:
Respiration = Glucose + Oxygen -> Water + Carbon Dioxide
Answer: The reason why stem cell research is a big field in biology or even the world is because stem cells might be able to treat degenerative conditions as well as answering questions about human development.
