Question

what work can do poision in our body

Answer 1

there are different types of poison like Swallow poison
Poison in the skin
poison in the eye
inhaled poison
from all the above given poison I will take the example of inhaled poison that is Carbon monoxide that will lead to death .

Answer 2

1}Potassium chloride if injected in blood shall cause electrical jamming of heart muscles and death.2}High dose of opium shall make one brain dead.

Hope it helps u.