Examlex
The characteristic that sets plants apart from photosynthetic protists is the multicellular, dependent embryo.
Arousal
A state of physiological and psychological activation or alertness, which can be triggered by stimuli that are perceived as exciting or challenging.
Parasympathetic
Refers to the part of the autonomic nervous system responsible for relaxation, conservation of energy, and slowing down bodily functions.
Sympathetic
Pertaining to the sympathetic nervous system, part of the autonomic nervous system responsible for activating the body's fight-or-flight response.
Somatic
Relating to or affecting the body, distinct from the mind or emotions.
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