Examlex
Which of the following is NOT a major threat to ocean ecosystems?
Refractory Period
A period immediately following the stimulation during which a nerve or muscle is unresponsive to further stimulation.
Excitement Phase
The initial stage in the human sexual response cycle characterized by physical and emotional sensations of arousal, such as increased heart rate and muscle tension.
Orgasm Phase
A phase in sexual response characterized by intense pleasure, increased heart rate, and typically, in men, ejaculation, and in women, vaginal contractions.
Shortest Phase
Generally refers to the briefest stage or period within a process or cycle, though specifics can vary depending on the context it is used in.
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