The answer for the first question is B. mucus sweat and tears, all of those are defenses that the body uses when attacked. Now for the second option is A the answer because the first filter that a virus or a desease must pass is indeed the skin. Hope is good for you
Answer:
D
Explanation:
Co-dominance is when both alleles combine to form an intermediate phenotype. It's like crossing a red and white flower and getting a pink flower.
It helps in digestion of food
