Answer:
How is the shape and size of red blood cells related to their function?
This biconcave shape allows the cells to flow smoothly through the narrowest blood vessels. Gas exchange with tissues occurs in capillaries, tiny blood vessels that are only as wide as one cell. Many RBCs are wider than capillaries, but their shape provides the needed flexibility to squeeze through.
Explanation:
It depends on their genes if they had an ancestor with Brown eyes
Answer: Olight + water + carbon dioxide → oxygen +.
glucose
Explanation
Answer:
Population growth in the United States is due mainly to <em>Immigration</em>
Explanation:
United State still owns the record of the most immigrants in the world as at date, this has drastic effects on their population. Currently, measures are being put in place in order to avoid overpopulation which would optimize the population of the country.