Nov 27, 2025 · Besides producing the germ cells, or gametes, the ovaries and testes are the source of hormones that cause full development of secondary sexual characteristics and also the proper …

Nov 27, 2025 · Human reproductive system - Female Anatomy, Hormones, Reproduction: The female gonads, or sexual glands, are the ovaries; they are the source of ova (eggs) and of the female sex …

Nov 27, 2025 · Human reproductive system - Male Anatomy, Hormones, Reproduction: The male gonads are the testes; they are the source of spermatozoa and also of male sex hormones called …

animal reproductive system, any of the organ systems by which animals reproduce. The role of reproduction is to provide for the continued existence of a species; it is the process by which living …

Nov 27, 2025 · Human reproductive system - Ovaries, Hormones, Reproduction: The female gonads, or primary sex organs, corresponding to the testes in a male, are the two ovaries.

Sep 26, 2025 · Human reproductive system - Testes, Hormones, Anatomy: The two testes, or testicles, which usually complete their descent into the scrotum from their point of origin on the back wall of the …

The major structures of the reproductive system in males are the testes, sperm ducts, urethra, and penis; in females, they are the ovaries, fallopian tubes, uterus, and vagina.

Nov 21, 2025 · Ejaculation, the release of sperm cells and seminal plasma from the male reproductive system. It takes place in two phases: in the first stage, sperm are moved from the testes to the …

Implantation, in reproduction physiology, the adherence of a fertilized egg to a surface in the reproductive tract, usually to the uterine wall (see uterus), so that the egg may have a suitable …

Dec 3, 2025 · Vagina, canal in female mammals that receives the male reproductive cells, or sperm, and is part of the birth canal during the birth process. In humans, it also functions as an excretory canal …