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.
Answer:
C.
Non-controllable risk factors
Explanation:
Inherited immune deficiency, it is not contagious <span />
Answer: They can help keep you from getting distracted while you're driving, they can act as a second eye to look for any potential dangers, and they can switch places with you if needed.
hope this helps! :D