Examlex
The human immunodeficiency virus (HIV) selectively infects any cell which carries the CD4 surface glycoprotein. Which immune function will be impaired?
Norepinephrine
A neurotransmitter and hormone involved in the body's fight or flight response, also implicated in mood regulation.
Serotonin
A neurotransmitter that plays a key role in regulating mood, sleep, appetite, and digestion.
Muscle Mass
The total amount of muscle tissue in an individual's body.
Social Interactions
Exchanges between two or more individuals, influencing each other's behavior and thoughts through verbal or non-verbal communication.
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