Skin immunity is a property of skin that allows it to resist infections from pathogens. In addition to providing a passive physical barrier against infection, the skin also contains elements of the innate and adaptive immune systems which allows it to actively fight infections. I hope that this helps.
It is important for teens to eat well because they are growing and need energy and they need to stay healthy.
1. The profit/ deficit of a business
2. Distance above/ below the Earth's surface
3. depth of the ocean
4. Timeline of history
5. golf scores
Intrinsic factor is necessity for absorption of vitamin B12
