Examlex
The nervous tissue that consists of myelinated axons transmitting information throughout the central nervous system is the
Androgens
A group of hormones that play a role in male traits and reproductive activity; includes testosterone.
Testes
The male reproductive glands that produce sperm and hormones, including testosterone.
Circadian Rhythms
Biological processes that follow a roughly 24-hour cycle, influencing physiological and behavioral changes in living organisms.
Puberty
The period of life at which one becomes functionally capable of reproduction.
Q3: The large vessels of the circulatory system
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Q50: In the section "Investigating Life:The Case of
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Q82: In the section "Investigating Life: Two