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In humans, semen is usually ejaculated into the posterior vaginal fornix in direct contact with cervical mucus, [6] though sperm may swim from other areas of the vagina or vulva to the cervix. The average volume of semen produced at ejaculation is 2 to 5 millilitres (about a teaspoon), [7] containing an average of 182 million sperm. [4]
The vagina allows for sexual intercourse, and is connected to the uterus at the cervix. The uterus (or womb) accommodates the embryo by developing the uterine lining. The uterus also produces secretions which help the transit of sperm to the fallopian tubes, where sperm fertilize the ova.
Spermatozoa, in this case human, are a primary component in normal semen, and the agents of fertilization of female ova. Semen, also known as seminal fluid, is a bodily fluid that contains spermatozoa. Spermatozoa are secreted by the male gonads (sexual glands) and other sexual organs of male or hermaphroditic animals and can fertilize the ...
During this process, the man inserts his erect penis into the woman's vagina and then either partner initiates rhythmic pelvic thrusts until the man achieves orgasm, which leads to ejaculation of semen containing sperm into the vaginal canal. The sperm and the ovum are known as the gametes (each containing half the genetic information of the ...
In this process, the male inserts his penis into the female's vagina and ejaculates semen, which contains sperm. A small proportion of the sperm pass through the cervix into the uterus and then into the fallopian tubes for fertilization of the ovum. Only one sperm is required to fertilize the ovum.
Penile–vaginal intercourse, or vaginal intercourse, is a form of penetrative sexual intercourse in human sexuality, in which an erect penis is inserted into a vagina. [1] Synonyms are: vaginal sex , cohabitation , coitus ( Latin: coitus per vaginam ), (in elegant colloquial language) intimacy , or (poetic) lovemaking .
Lubes can be very beneficial in the setting of vaginal dryness, says Dr. King. “They are overall safe but in certain circumstances, one wants to be particular about the type of lube being used.”
In placental mammals, females have two genital orifices, the vaginal and urethral openings, while males have one genital orifice in the penis where urine and semen exit the urethra during urination and ejaculation. [14] Male and female genitals have many nerve endings, resulting in pleasurable and highly sensitive touch. [15]