Answer:
The answer is C. The letters at the top represent alleles of one parent. The letters on the left represent alleles of the other parent.
Explanation:
i know just trust!!! hope this helped :)
As people progress into old age, their disease-fighting immune systems become reduced.
<h3>The effects of aging on immune system</h3>
Immune system is the major system of the body that protects the body against invading disease causing microorganisms. It is made up of,
- proteins (antibodies) and
As an individual advances in age, the efficiency of the immune system, which is it's ability to fight diseases, would reduce.
This is because the production of white blood cells, antibodies and chemicals are equally reduced.
Therefore, as people progress into old age, their disease-fighting immune systems become reduced.
Learn more about immune system here:
brainly.com/question/15975169
Answer:
Avoiding harsh soaps, detergents, perfumed soaps or lotions and known allergy triggers may help to soothe irritated skin. Using an antihistamine or steroid cream may also help.
The testes and the ovaries are the glands that stimulate reproductive cycles.