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The male reproductive system consists of a number of sex organs that play a role in the process of human ... The penis is an intromittent organ with a long shaft, ...
Male (symbol: ♂) is the sex of an organism that produces the gamete (sex cell) known as sperm, which fuses with the larger female gamete, [1] [2] [3] or ovum, in the process of fertilisation. A male organism cannot reproduce sexually without access to at least one ovum from a female, but some organisms can reproduce both sexually and ...
This means that in the event of a rival male's sperm occupying the reproductive tract of a female, the human penis is able to displace the rival sperm, replacing it with his own. [42] Semen displacement has two main benefits for a male. Firstly, by displacing a rival male's sperm, the risk of the rival sperm fertilising the egg is reduced. [43]
“The brain is the body's most important sexual organ, so one of the best ways to increase the intensity of your orgasm is to increase arousal—for example, by fantasizing and living out your ...
The smaller gamete is male, a microgamete or sperm cell, whereas the larger gamete is female, a larger macrogamate or typically an egg cell. Anisogamy is predominant among multicellular organisms. [1] In both plants and animals, gamete size difference is the fundamental difference between females and males. [2]
In addition to differences in nearly every reproductive organ, there are numerous differences in typical secondary sex characteristics. Human reproduction usually involves internal fertilization by sexual intercourse. In this process, the male inserts his penis into the female's vagina and ejaculates semen, which contains sperm.
This list of related male and female reproductive organs shows how the male and female reproductive organs and the development of the reproductive system are related, sharing a common developmental path. This makes them biological homologues. These organs differentiate into the respective sex organs in males and females.
Most male reptiles have copulatory organs, which are usually retracted or inverted and stored inside the body. In turtles and crocodilians, the male has a single median penis-like organ, while male snakes and lizards each possess a pair of penis-like organs. A male common frog in nuptial colors waiting for more females to come in a mass of spawn