I believe the answer is B.
Answer:The main way animal-like protists differ from plant-like protists is in the way they get energy. Animal-like protists are heterotrophs. ... Plant-like protists, on the other hand, are autotrophs. They can make their own energy from the sun or other sources just as plants can.
Explanation:
brain is the organ which does play a role in mechanical or chemical digestion
Answer:
Your heart-rate increases
You're building neuropathways
You are building muscle mass
Explanation: