Human Reproductive system
The reproductive system is a system of organs within an organism which work together for the purpose of reproduction. It is also known as ‘Genital system’.
Most important accessories of reproductive system are fluids, hormones, and pheromones. These are all non living substances. It is totally different from other organs. It shows significant differences between the male and female. Like. Because of these differences it gives variations in the next generation and that leads to a greater diversity in the evolutionary biology.
The external genitalia and many internal organs including the gamete producing gonads are the major organs of the human reproductive system. External genitalia are the penis and vulva. Testicles and Ovaries are the gamete producing gonads. Almost all vertebrate animals show similarity in the gonads, ducts, and openings. Physical adaptations and reproductive strategies help for the greater diversity.
By sexual intercourse humans have internal fertilization. Male’s erect penis is inserted into the female's vagina until the male ejaculates semen. This semen leaves thousands of sperm into the female's vagina. These sperm reaches the fallopian tubes for fertilization of the ovum.
If fertilization occurs the embryo will be formed within the female's uterus for approximately nine months. This is called as pregnancy in humans. Gestation period ends with child birth and the process of birth is known as labor. During labor, the muscles contracts, cercix dilating and the baby will be delivered through the vagina. The females have an unbearable pain during the delivery of baby and it is commonly called as ‘Labor pain’.
Human Female Genital Organs
Human Male Reproductive System
The human male reproductive system the sex organs are located outside a his body, around the pelvic region.
External Genital Organs of Human Male
- A long shaft and enlarged tip called the glans penis.
- It is the male copulatory organ.
- During the males sexual arousal it erect and ready for sexual activity.
- A pouch like structure that hangs behind the penis.
- Holds and protects the testes.
- Contains numerous nerves and blood vessels
Internal Genital Organs
- A whitish mass of tightly coiled tubes cupped against the testicles.
- Acts as a storage place for sperm.
- An oval structure organ
- about 5 cm long and 3 cm in diameter.
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