Examlex
Living organisms increase in complexity as they grow, resulting in a decrease in the entropy of an organism. How does this relate to the second law of thermodynamics?
Motor Neurons
Nerve cells forming part of the nervous system that initiate and regulate the contraction of muscles.
Serotonin
A neurotransmitter involved in regulating mood, sleep, appetite, and pain.
Norepinephrine
A neurotransmitter and hormone involved in the body’s fight-or-flight response, affecting attention and responding actions.
Depressed Mood
A state of persistent sadness, a key symptom of depression that can affect a person's thoughts, behavior, feelings, and sense of well-being.
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