Answer:
As a result of photosynthesis oxygen and sugar
White blood cells, also know as macrophages or phagocytes
It will can cause infertile offspring (the offspring can't have kids)
The part of the brain which is affected is reasoning center of the new brain. Drinking alcohol also decreases motor function and slow reaction time, this is why when a person is drunk, he/she may not be able to stand or walk a straight line.
Psychoactive drug or psychotropic substance is a chemical substance that acts primarily upon the central nervous system where it alters brain function resulting in temporary changes in perception, mood, consciousness and behavior.