I believe it is Amy's, because you said Amy's target heart rate zone is 140bpm -- 186bpm. Thus, Amy's is higher
They are all made of tissue and cells.
You need to give more context of the question I don’t understand what the question is about
True, we can cure things that we couldn't before. Even things like the common cold used to be deadly.
Answer:
Human blood is red because of the protein hemoglobin, which contains a red-colored compound called heme that's crucial for carrying oxygen through your bloodstream
Explanation:
RBCs contain hemoglobin , a protein that carries oxygen. Blood gets its bright red color when hemoglobin picks up oxygen in the lungs. As the blood travels through the body, the hemoglobin releases oxygen to the different body parts.
