The kidney filters blood to remove wastes, which are sent to the bladder to be eliminated from the body. A similar process happens on a smaller scale on a cellular level. Which organelles work together to perform similar functions to the kidney and bladder.

A. i may be wrong i really don’t know

Ithink the answer is "false". i believe the term 'behavioral health' may add to the stigma and discrimination.

Immunization is the introduction of a foreign substance to provoke  the immune response system.  immunizations are the same as vaccinations. it introduces foreign (but dead/ weakened) illnesses to train the body to fight against them. specific viruses and bacteria have specific antigens, antigens act sort of like name tags. these name tags the immune system recognize what's dangerous to the body and what's safe.