They have different types of cell walls and cell membranes.
Answer:
they contain hymoglobin
Explanation:
the red pigment in blood cells
The water above the pool because it’s closer to the surface so there is more air flow to it
I'm not sure what you're asking, but if you're looking for a word to describe this change its "mutation"
Answer:
A healthy artery is wider and has no blockages. The lumen (which is the hole in the centre of the artery), is open and clear. This means there is more blood flow. An artery of a person suffering from coronary heart disease is often blocked, usually by a fatty deposit. This means the blood does not flow as well. (See diagram, in which I would draw two arteries, one with a blockage of fatty deposit, one clear and healthy).
hope this helped you
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