Something may irritate it and the reaction the eye has is that it burns. Let's say something got in it, then it burns because something is touching the eye that irritates it and it burns.
A. True smoking can kill you and eating heallthy foods helps you live longer
How are the male and female reproductive systems similar and different?
They are the same in that most of the reproductive organs of both sexes develop from similar embryonic tissue, meaning they are homologous. Both systems have gonads (male have testes and female have ovaries) that produce gametes (testes produce sperm and ovaries produce egg or ovum) and sex organs.
Answer: Antiretroviral therapy is the use of HIV medicines to treat HIV infection. ART helps people with HIV live longer, healthier lives and reduces the risk of HIV transmission.
Explanation:
I believe the answer is B, although im not exactly sure what a skin fold test is for, im sure this is the right answer.