Examlex
The urinary system consists of two kidneys, two urethras, one bladder, and one ureter.
Spermarche
The first occurrence of ejaculation in males, which is a significant event in male puberty.
Gonads
Gonads are the primary reproductive organs in males (testes) and females (ovaries) that produce sex cells (gametes) and sex hormones.
Testes
The male reproductive organs that produce sperm and testosterone, playing a key role in male fertility and secondary sexual characteristics.
Ovaries
Glandular organs in the female reproductive system responsible for producing eggs (ova) and sex hormones, including estrogen and progesterone.
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