Answer:
ductless
Explanation:
it is described as a ductless gland
Supplying energy for body functions carbohydrates
I would say B, as both A and D are obviously incorrect and stress can be a natural part of life as long as it does not dominate you.
I believe your answer is d. Derek is hungry or needs to have his diaper changed.
Option c could be correct but option d seems more likely
I hope this is the answer you're looking for and good luck.
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.
