The answer is body's line of defense. The first line of defense which includes physical as well as chemical barriers would defend the body from infection. It would include the tears, cilia, stomach acid,urine, white blood cells,mucus and the skin. The skin is the largest organ and would act as a barrier from pathogens. If first line of defense won't work the second line will then be activated.
Deformities.
Open Wounds.
Tenderness.
Swelling.
Answer:
It's important since learning about the opposite-sex reproductive system helps you understand what the opposite sex has to go through and have more of an understanding of how your body and how other peoples bodies work. It might help you in the future when you are trying to have a baby or help you take care of your body better.
Explanation:
It is A I just took the the test.