Your answer to this is most likely:
He discovered many other important elements.
Your stomach will get smaller and therefore it will take less food to make you feel full.
Answer:
The reason is because the heart requires more oxygen when exercising. Several physiological events happen to increase the blood flow and therefore oxygen flow to that muscles,including the heart.
Also the volume of blood that the heart pumps out is maintained so that the body organs receive the necessary amount of oxygen and nutrition, because if it didn't adjust the flow of blood to match activity level, you will be insufficient. Either output method will be lower than needed.
Answer:
C. Hierarchies rank items or roles based on importance or power.
Explanation:
hope this helps
A. Your listening skills
Explanation: This means you pay more attention to the things around you, like when studying.