Which of the following is not a benefit of improved cardio-respiratory fitness? A. The heart becomes more efficient

B. Resting blood pressure goes up

C. Calories are burned and body fat decreases

D. Less risk of an early death

Smoking damages the respiratory system by inhalation of a foreign substance, that is absorbed and residue is left behind on our lungs sponge like substance. the gas that is inhaled also increase your blood pressure and dilates your blood vessels. also the process of inhaling and exhaling the smoke it causes irritation to the throat and mouth. smoking can cause lung cancer and other respiratory and circulatory diseases. 

Idont understand what youre askimg

The food that we are allergic to! for asking us here at hope this

No, when getting the flu vaccine no drugs should be being takin at the time.