Answer:
Most drugs of abuse--nicotine, cocaine, marijuana, and others--affect the brain's "ventral tegmental area” circuit. This ventral tegmental area is located in the midbrain.
Explanation:
Nicotine is a naturally occurring substance which effect the Working of brain. It triggers the ventral part of the brain which contains dopamine. This substance when released give the feeling of pleasure and joy. The effect of nicotine can be effective till 6 to 7 hours.
Marijuana is also known as Cannabis. Marijuana is a psychoactive drug which can also be used in medicine. But sometimes people also use it for their pleasure.
In the large intestine, or colon, salts and water are absorbed from the liquefied food, leaving a semi-solid residue called feces (stool). ... When the stool enters the rectum, stretching causes the muscles of the lower rectum and anus to relax so that the stool can be eliminated by defecation.
Answer:
C. Cleaning removes food particles; Sanitizing reduces bacteria to safer levels.
