<span>4 molecules of oxygen. Haemoglobin is a protein found in the red blood cells, which carries oxygen to the cells to perform cellular respiration. Each red blood cell carries around 250 million haemoglobin. So the entire capacity of an RBC is around 1 billion oxygen molecules.</span>
Answer: I could but how do I show
Explanation:
Organelles must do their duties together and their activities must be coordinated I'm pretty sure.
Answer:
which liquid takes the longest to burn
Explanation:
the other options are talking about personal preference sort of things. this is the only one that has only one answer and is scientific
