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.
Answer:
I think it is :
A) To move air toward the lungs while warming, moistening, and filtering it.
Answer: the answer is D hope it helps
Explanation:
Control your weight
Decrease the risk of cardiovascular diseases
Reduce the chance of occurring type 2 diabetes and metabolic syndrome
Reduce the risk of some cancers
Strengthen your bones and muscles
Improve your mental health and mood
Increases your life expectancy
B. The softening of the uterus near the cervix