Answer:
I think the third one......
The right answer is D (less responsive to antigens)
It is proven that, after puberty, thymus activity (an organ that is included in the lymphatic system, producing T cells that pick up antigens) decreases and that in adult and aged people the thymus has no role. Work done in humans indicate that in fact the cellularity begins to decline from birth in favor of lymphocyte perivascular spaces and connective and adipose tissue, which leads to a decrease in the capture of antigens.
Answer:
b. ventricles
The right and left ventricles
During puberty the testes of the man will begin to produce testosterone. This causes hair growth in multiple areas of the body and the voice change. Similarly, women begin to grow hair but also begin menstruation.
<span>A dental mouth mirror is an example of a semi-critical patient-care item.
In dentistry, a dental mouth mirror is an important tool. Dentists used this tool to see the locations in the oral cavity.
The instruments which do not penetrate soft tissues or bones but only contact with non-intact skin are Semi-critical instruments. whenever you use these type of instruments, you should sterilize them after each use.
</span><span>
</span>