Answer:
Medullary sinuses contain histiocytes (immobile macrophages) and reticular cells. A lymph node contains lymphoid tissue, i.e., a meshwork or fibers called reticulum with white blood cells enmeshed in it. The regions where there are few cells within the meshwork are known as lymph sinus.
Explanation:
no I'm not
because instead of being scared u have to be care ful and protect your self from the virus
Answer:
It is important to strengthen protective factor in life because they help you from making harm. They help you stay strong.
Answer
The answer is D. Frequency, Intensity, and duration
Explanation:
I read a CDC article on the term.