This topic contains a solution. Click here to go to the answer
|
|
Did you know?
Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.
Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.
Did you know?
Illicit drug use costs the United States approximately $181 billion every year.
Did you know?
Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
Did you know?
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.