I would say landslide because it does cause because of the lost of friction.
The digestive system enlists the aid of the cardiovascular system and the nervous system. Blood vessels of the digestive system widen to transport more blood.
D, contains fluid that becomes more concentrated as it moves down into the medulla
Nerve cells because skin cells keep dividing when you loose skin. Epithelial cells also divide when you loose others.
Answer:
option A says mitosis only
