Examlex
A universe is finite in time if its expansion will eventually stop,and finite in space if it does not extend indefinitely.What would a closed universe be?
Sperm Production
The process of spermatogenesis, wherein male gonads (testes) produce sperm for reproduction.
Testes
The male reproductive organs that produce sperm and male sex hormones, primarily testosterone.
Sexual Responses
The physical and emotional reactions to sexual stimulation, often following a predictable cycle.
Physiological Processes
The functions and activities that occur within living organisms to sustain life, including respiration, digestion, and reproduction.
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