Contractile vacuoles<span> protect a cell from absorbing too much water and potentially exploding by excreting excess water. Wastes, such as ammonia, are soluble in water; they are excreted from the cell along with excess water by the </span>contractile vacuoles<span>.</span>
Answer:
C
Explanation:viruses cannot reproduce by themselves without a host
Answer:
frogs and humans have skin, bones, muscles and organs. The head of both frogs and humans contains the brain, mouth, eyes, ears and nose.
Explanation:
pls mark brainliest
Erythrocycte. it is the only cell (to my knowledge) that has no nucleus