Physics is not a branch of natural "sciencie".
I may be wrong but i think it is B. <span>call 9-1-1 or the local emergency number quickly, then return to give care to the child.
I hope this is right</span>
Answer:
It has physically increased in size. Often, growth of a multicellular organism occurs as more cells are created. In unicellular organisms (like bacteria), growth still occurs. ... For this reason, most biologists will tell you that development only occurs in multicellular organisms, not in unicellular ones.
Bone —> provides structure for the body.
Heart —> pumps blood through the body.
Stomach —> breaks down food into small particles.
Lung —> oxygenates blood.