- The integumentary system is the answer. It consists of the skin , hair, nails, glands and nerves.
Niacin is also known as Vitamin B3. It is needed by the body because it produces the coenzymes NAD and NADP which are responsible for the body's metabolic reactions. If you are deficient of niacin, the body can synthesize it using tryptophan. Food sources of tryptophan include eggs, liver, peanut butter and dairy products.
Answer:
Confused. Can you please include the article so i can edit this when i get a chance?
Explanation:
Changed my mind, I believe the answer is turns on. Just a guess without the article?
Answer:
How do mass and speed affect kinetic energy?
Explanation:
Edg 2020