They may experience irritability and depression because when a person constantly smokes, his/her brain begins to rely on the chemicals it gets from the person smoking, which results in the brain "getting lazy" and not producing the chemicals anymore. If the person were to suddenly quit, the brain would lack in the chemicals it had stopped producing, making the person feel constantly annoyed and depressed because of the chemical imbalance.
Answer:
hallucination
Explanation:
A hallucination is a sensory perception experienced in the absence of an external stimulus, as distinct from an illusion, which is a misperception of an external stimulus. ... Psychological research has presented the idea that hallucinations may result from biases in what are known as metacognitive abilities
This is true it's muscle tissue that are soft tissues that contains muscles that gives the ability to the muscles to contact.
It appears that the answer is dependent on the topic you are currently covering.
Consciousness would need to be maintained for one's sense of self.
