The Five That Should Be Kept In The Blood As It Passes Through Are Red Blood Cells, White Blood Cells, Proteins, Amino Acids, Glucose, Salt, And Urea.
Our blood contains a large proportion of the iron in our bodies. Because women lose blood during a period, they also lose iron. This means that they need more iron in their diet to counteract this.
Answer:
A. What causes some people to be color-blind?
Explanation:
This is something that could be tested with different variables including DNA, or past family medical history.
