Answer:
New skin cells form at the bottom of the epidermis, which is the top part of your skin. Skin cells change shape. They start off kind of fat and square. Over time, they move to the top of the epidermis, flattening out as they go.
Explanation:
Answer:
D) Nails
Explanation:
Keratin that's found in our hair and nails is water proof
the best method to quit tabacco is go into a therapy and get treatment from rehab.