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: Pathway of air: nasal cavities (or oral cavity) > pharynx > trachea > primary bronchi (right & left) > secondary bronchi > tertiary bronchi
Explanation:
Answer:
The correct option is B
Explanation:
Angina is described as pain in the chest and its described as pressure and squeezing pain. Followed with the fact that she started smoking very early with the increase in blood pressure and diabetes. So this will reduce the blood supply to the heart and cause pain. There would be narrowing of the blood vessels reducing blood flow.
Answer:
kind of sad
Explanation:
because it was a emotional movie