The word “hydro” means water and “phobic” means away or repel. So, the correct answer would be B, Repels Water
Oxygen and carbon dioxide travels to and from tiny air sacs in the lungs, through the walls of the capillaries, into the blood. Blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs.

<span>The biological term for such organisms is "deuterostomes". Those who's first opening is the mouth are called protostomes.
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If the paramecium was not able to contract its contractile vacuole, it would be in danger of bursting. The cell would not be able to hold too much water. This would happen faster if the paramecium was in water with a low salt concentration because there is more water and less salt, so the water would accumulate faster.