What is the greatest benefit the body receives from cardiorespiratory fitness?
a.)it reduces the amount of mental stress.
b.)it increases waste removal from the body.
c.)it activates skeletal muscles and skin tissue.
d.)it increases blood flow throughout the body.

Correct answer choice is:

D.) It increases blood flow throughout the body.

Cardiorespiratory fitness refers to the ability of the body's circulatory and metabolic process systems to provide fuel and element throughout the sustained physical activity. Exercises like running, jogging, and swimming are most useful for the blood flow throughout the body.

Think it's rice because in many countries rice is the main food so it can be traditionally served all at once.

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.