Hey! they are usually single celled!
hope this helped xoxo
Hey! here is your answer
passive refilling of the heart occurs During ventricular systole, the blood pressure
Answer: I feel that the theory of plate tectonics is correct, because we use friction every day which means friction could make vibrations larger too!
I believe <span>Erta Ale from Ethiopia, Hekla from Iceland, and Ol Doinyo Lengai from Congo.
Hope this helps!</span>
It’s active transport because it requires energy