Examlex
In photosynthesis,the carbon in CO₂ is ________ to form glucose.
Sleep
A natural, restorative state in which the body and mind enter a reduced or suspended level of sensory and motor activity.
Acetylcholine
A neurotransmitter in the body responsible for muscle activation and plays a role in mood, memory, and learning.
Norepinephrine
A neurotransmitter involved in arousal, as well as in learning and mood regulation.
Serotonin
A chemical messenger crucial for moderating emotions, digestive processes, sleep patterns, and various other physiological activities.
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