C because the heart pumps normally with a constant pressure but when it is lower it needs to push harder to get the blood to where it needs to go causing it to malfunction
Answer: Mitochondria
Explanation:
Mitochondria are the energy "transformer" of the cells. They change energy received through nutrients into a pattern that the cells can utilise for metabolism.
Answer:
The purpose of the siphon is to drain liquid from the reservoir by liquid flow that passes over a higher level than the liquid surface in the reservoir.
Answer:
The diaphragm, The diaphragm is a thin skeletal muscle that subdivides the ventral body cavity, separates the abdomen from the chest.
The bigger,stronger and more aggressive animal wins the better territory and keeps it safe against others.
