Examlex
The respiratory tree of sea cucumbers opens into the _________________.
Liver Disease
A broad term covering any disorder that negatively affects the liver's ability to function properly, ranging from mild to life-threatening conditions.
Serotonin
A neurotransmitter that contributes to feelings of well-being and happiness, playing a key role in regulating mood, sleep, and appetite.
Dopamine
A neurotransmitter involved in reward, motivation, and the regulation of mood and feelings of pleasure.
Adrenaline
A hormone and a neurotransmitter released into the body in response to stress, increasing heart rate, and muscle strength.
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