Answer:
An engine
Explanation:
The engine is used to keep the car running, much like how our muscles keep us walking and moving around
Answer:
Adequate Intake (AI) value
Explanation:
Its often used when RDA isn't known. The values of AI and RDA vary by age and gender.
Recommended Dietary Allowance (RDA) of a healthy people is the average daily level of intake needed to meet the nutrient requirements of approximately all (97%-98%) healthy people.
Answer: drug
Explanation:
The substance that is being taken into the body or applied to the body in order to alter the biochemical functions of the body and its physiological processes is referred to as drug.
A drug is a chemical substance which is administered in order to have a biological effect on ones body. It can be utilized for either health-related purposes or for recreation.
