Answer:
1.heart
2.To pumps blood throughout the body
Blood would stop pumping around, and you would die. Even if your heart missed one beat (basically a heart attack) you could potentially die.
Hope it helps! :)
Answer:
D, or more accurately, They cause focus to shift and increase aggression towards outside sources.
Explanation:
I would say the best answer is B. Asking the learner to begin working on a problem.