Why are swollen lymph nodes a sign of infection?

O

A. Memory cells are stored in the lymph nodes.

O

B. Infections cause increased lymphocyte production.

O

C. Bacteria and viruses mostly attack the lymph nodes.

O

D. The liver produces more lymph during infections.

What occurs to the cell during mitosis

All organisms contribute some water to the water cycle by conducting

Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?