Answer:
atoms
Explanation:
everything is made from atoms
I am pretty sure a pigs heart has the same structure as a human heart so in saying this the if i remove correctly the right side has more muscle as it has to provide blood to most of the body not including the lungs
C. the answer is c. i just took this test on keystone (i think this is keystone question. right?0
Cells at Work (Hataraku Saibou)