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The properties that allow this are the carbon's four valence electrons, and the fact that they can bond with other carbon atoms.
The tentacles provide the fish with shelter from predators.
Maybe ask in a scale of 1 to 10, that's what my cousin does and she's a nurse.
she says it helps understand the pain better.
hope this was helpful :)
Answer:
respiratory system fills the blood with oxygen and gets rid of the carbon dioxide while the cardiovascular system umps the oxygen rich blood all over the body (short answer)
Explanation:
the respiratory system aids in the supply of oxygen to the blood and the exit of carbon dioxide. when the heart takes in blood that is short of oxygen and full of carbon dioxide, the pulmonary arteries pumps the blood to the lungs, who then fill the low oxygen blood with oxygen and transport the carbon dioxide out of the lungs. this oxygen rich blood, which now has a rich amount of hemoglobin, is transported to the heart which is pumped or circulated it to the entire body. (long answer)
hope this helps !!
