Digestion is controlled by the .
O central nervous system
O cerebrum
O spinal cord
O autonomic nervous system

clinically, some people often have repeated allergies, eczema and respiratory infections or other parts of the infection, in this case, in addition to some routine tests such as tests for white blood cells, immunoglobulin series, lymphocyte subsets, etc., the five immune immunoglobulin tests are also necessary.

digestion

it excretes wastes

if you add everything up correctly you should get 69 i got this because 50 plus 19 is it

they dont have any evidence