Answer:
National Institutes of Health
Explanation:
They are the entities responsible for regulating the issues related to the services provided by health, problems of diseases, and any element that means health risk to the population.
B/C (aerobic exercise strengthens heart & lungs)
Answer:
Option-A
Explanation:
Vitamin D is an essential nutrient required by the body to maintain its structure as vitamin D helps in the absorption of the calcium and phosphorus which are required in maintaining the bones.
The biosynthesis of vitamin D begins in the skin when the cholesterol, a precursor of the vitamin D gets activated by the Ultraviolet B of the sunlight. When the UV B touch the skin, they convert the precursor to vitamin D3. The vitamin D3 gets transported to the kidney and liver where the enzymatic action converts the vitamin D3 to the active form of vitamin called calcitriol.
Thus, Option-A is the correct answer.
<span>The answer is nicotine gum. It comprises of nicotine blended with biting gum. Biting the gum discharges nicotine, which is then retained through the coating of your mouth. Utilizing the gum can lessen withdrawal side effects when you quit, for example, yearnings and crabbiness. Notwithstanding, it may not stop these manifestations totally.</span>
Carbon dioxide in the atmosphere would increase more rapidly.
