Psychoactive drugs alter consciousness by question 10 options: raising the metabolic rate within the body. changing the blood volume level of various substances within the body. deactivating the ganglia within the somatic nervous system. directly influencing brain activity. save

for me i have felt invisible when i was clearly struggling,or,i made a great achievement ,and,nobody took to notice me either because they just didn't see it,or,people just turned their back on me.i can see a person being invisible by choice,or,without choice like i did.the people who are invisible by choice don't try to talk to people,don't try to make friends,and,keep to themselves.i haven't been one of those people so i couldn't give you a reason.

hope this and can i get bainliest my dude : d