Cigarettes can contain over 4000 chemicals. With that 4000, there are 43 cancer causing chemicals and 400 other toxins such as nicotine, tar, carbon monoxide, and much more.
Answer:
c. collagen is the correct answer.
Explanation:
Collagen is the main protein found in connective tissue and skins and it makes different body parts(skin, tendons, muscles, and ligaments)
Collagen function is to give strength to bones and structure to the skin.
Vitamin C is an essential part of a healthy diet and a good source of vitamin C are citrus fruits and green vegetables.
Vitamin C directs the synthesis of a structural protein called collagen.
The function of Vitamin C in the production of collagen is to combine with the amino acids(glycine, proline, hydroxyproline)in collagen cells.
Vitamin C stabilizes the collagen messenger RNA and increase the synthesis of collagen.
When there is a deficiency of vitamin C it leads to anemia, skin problems, gum diseases, and weakness.
Approximately 1.2% (3.2 million) of US people have been diagnosed. I hope I have answered your question.
Answer:
Current evidence suggests that the virus spreads mainly between people who are in close contact with each other, typically within 1 metre (short-range). A person can be infected when aerosols or droplets containing the virus are inhaled or come directly into contact with the eyes, nose, or mouth.
