What is the function of the oviducts?
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to allow the eggs to be released from the ovaries and travel into the fallopiian tubes.
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The Kidney's primary function is to remove waste material from the blood stream.  Oxygen is used by every cell in the body to help metabolize nutrients.
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They found that the mucus caused the penis, spermoviduct, genital atrium, copulatory canal and bursa tract diverticulum to contract. When the copulatory canal contracts, it closes off the entrance to the bursa tract to make the bursa tract diverticulum more accessible.
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The fallopian tube?\n\nHow many more homework questions do you have?
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The female beaver reproductive tract is composed of the ovaries, uterine tubes, infundibula, uterus, and the cloaca. The cloaca is a single, enlarged chamber at the end of both the urinary and reproductive tracts through which solid waste, liquid waste, and gametes exit the body. While having a cloaca is generally a primitive trait, for rodents, it is a derived trait. Possessing a cloaca gives the beaver another way to streamline its body during aquatic locomotion. Male and female beavers have very few external differences, other than females having six teats whereas males have two  During non-breeding seasons, it may be impossible to distinguish visually a male beaver from a female. To distinguish between the two sexes, an internal examination of the body must be done. Even internal examination can lead to confusion, however, as some male beavers have uteri similar to those seen in female beaver. The female beaver has a single bicornuate uterus. The beaver gestation period is approximately 3.5 months, and average litter size ranges from two to five, given adequate nutrition and water availability.
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ovulation and ovaries
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Because unlike the human system, the female opposum has two separate uteri, one just below each ovary.  The forked penis allows sperm to be deposited into each fork of the vagina, thereby reaching both uteri.
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we use IVF for the treatment of poor ova production by hyperstimulation the ovary with the defecient hormone so we make menstrual cycle irregular and it need medical moinatring to avoid unexpected complication.
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In Africa where contraception is unavailable, the women are taught "When it's dry, the seed will die. When it's wet, a baby you may get" If the mucous stretches rather than breaks when you pull it between your thumb and forefinger, you are fertile. Think about it--what would help protect and allow the sperm to move?
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In humans, the period when ovulation occurs is called the ovulatory phase, and it occupies the fourteenth day of an idealized twenty-eight day menstrual cycle. Because of the variable nature of the menstrual cycle in vivo, however, normal ovulation can occur as early as day 8 or as late as day 20 and beyond. A woman with a particularly short cycle will ovulate earlier while a woman with a long cycle will ovulate later. In humans, concealed ovulation means that the female shows few visible signs of being fertile, compared to most species.(disputed — see talk page) There are evolutionary analyses of how this could evolve in terms of evolutionary game theory.\n\nBefore ovulation, the ovarian follicle will undergo a series of transformations that are necessary for the ovum to survive afterwards. This process is called cumulus expansion. After this is done, a hole called the stigma will form in the follicle, and the ovum will leave the follicle through this hole. It will then enter the fallopian tubes and travel toward the uterus, implanting there 6-12 days later if fertilized, or degrading in the fallopian tubes within 24 hours if not fertilized.\n\nThe ovulatory phase is preceded by the follicular phase, where an immature follicle-encased ovum completes growing, and followed by the luteal phase, where the uterus is prepared to receive the fertilized ovum. The complete process of follicle growth leading up to ovulation is known as folliculogenesis.\n\nScientific investigations like [1] have indicated that the olfactory acuity or the sense of smell is greatest during ovulation in women.\n\n[edit]\nA closer look at the process\nStrictly defined, the ovulatory phase spans the period of hormonal elevation in the menstrual cycle. The process requires a maximum of thirty-six hours to complete, and it is arbitrarily separated into three phases: periovulatory, ovulatory, and postovulatory.\n\n[edit]\nPrerequisite events\n \nHistology of the preovulatory follicleMain page: folliculogenesis\n\nThrough a process that takes approximately 375 days, or thirteen menstrual cycles, a large group of undeveloped primordial follicles dormant in the ovary is grown and progressively weaned into one preovulatory follicle. Histologically, the preovulatory follicle (also called a mature Graffian follicle or mature tertiary follicle) contains an oocyte arrested in prophase of meiosis I surrounded by a layer corona radiata granulosa cells, a layer of mural granulosa cells, a protective basal lamina, and a network of blood-carrying capillary vessels sandwiched between a layer of theca interna and theca externa cells. A large sac of fluid called the antrum predominates in the follicle. A "bridge" of cumulus oophorous granulosa cells (or simply cumulus cells) connects the corona-ovum complex to the mural granulosa cells.\n\nSimply stated, the granulosa cells engage in bidirectional messenging with the theca cells and the oocyte to facilitate follicular function. Research is elucidating the specific factors used in follicular messenging at a rapid pace, but such discussion is beyond the scope of this article.\n\nBy the action of luteinizing hormone (LH), the preovulatory follicle's theca cells secrete androstenedione that is aromatized by mural granulosa cells into estradiol, a type of estrogen. High levels of estrogen have a stimulatory effect on hypothalamus gonadotropin-releasing hormone (GnRH) that in turn stimulates the expression of pituitary LH and follicle stimulating hormone (FSH).\n\nThe building concentrations of LH and FSH marks the beginning of the periovulatory phase.\n\n[edit]\nPeriovulatory phase\nFor ovulation to be successful, the ovum must be supported by both the corona radiata and cumulus oophorous granulosa cells. The latter undergo a period of proliferation and mucification known as cumulus expansion. Mucification refers to the secretion of a hyaluronic acid-rich cocktail that disperses and suspends the cumulus cell networ
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To help spread pheromones, reduce friction during sexual intercourse, and keep the genitals warm, as well as keeping small objects from entering the female tract.
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the number of cilia per cell varies on the type of cell, esp in ciliated protists protozoans.  They all have very unique patterns  and numbers of cilia covering their cells and this is a feature that allows each species to be identified, inc the specific BEAT PATTERN of the cilia!\n\nThe number of cilia in YOUR resp system can also be changed with each minute, ie.  you can fry your own cilia off of your trachial cells (ciliatec columnar epithelium) with the heat inhaled when smoke from a cigarette or joint is inhaled.  Depending on hpw much damage is done will determine if the normal number of cilia can repair-return. Smokers who stop smoking canget some repair,but the stats are full of cases of folks stopping smoking for over a decade and they STILL get lung cancer!  Cilia are there to get noxious particulates out and prevent them from going into lungs.  By frying cilia it makes it easy for noxious gases and particulates to enter and damage the resp system.\n\nScar tissue formation in the oviduct (PID-pelvic inflammatory disease from gonorrhea and clamydia) can also block the tubes and thus the normal ciliary number and action to help move the egg down the tube after ovulaton and before fertilization (in case a sperm cell is there at the correct time). Sperm have to swim against the cilia CURRENT to get to the egg, but the egg is carried down the tube by the gentlyrhythmic beatingof the cilia after ovulation.
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Mammalian ovum is round and that helps in its movement through the fallopian tube since it does not have a tail like the sperm.  But the ovum is not smooth over the surface due to layers of cells.  Read through and i think my answer will help u..................The zona striata or zona pellucida is a thick membrane, which persists for some time after fertilization has occurred, and may serve for protection during the earlier stages of segmentation.  The phenomena attending the discharge of the ova from the follicles belong more to the ordinary functions of the ovary.
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Anatomy\nIn common speech, the term "vagina" is often used to refer to the vulva or female genitals generally; strictly speaking the vagina is a specific internal structure and the vulva is the exterior genitalia only. The labia and other parts would be considered parts of the vagina as well in its common usage.\n\nLength, width and shape of the vagina may vary. When a woman gives birth and during sexual intercourse, the vagina widens and lengthens up to 2-3 times.\n\nVaginal lubrication is provided by glands near the vaginal opening and the cervix and also seeps through the vaginal wall (which does not contain any glands).\n\nThe hymen -- a membrane situated behind the urethral opening -- partially covers the vagina in many organisms, including some human females, from birth until it is ruptured by sexual intercourse, or by any number of other activities including medical examinations, injury, certain types of exercise, or introduction of a foreign object.\n\nFunctions of the vagina\nFrom a biological perspective, the vagina performs the following functions:\n\nProviding a path for menstrual fluids to leave the body. \nGiving birth \nSexual activity \nThe concentration of nerve endings particularly close to the mouth of the vagina causes pleasure to be experienced during sexual activity. Some women have a very sensitive erogenous zone called the G-spot inside their vagina (in the anterior of the vagina, about five cm in from the entrance), which can produce very intense orgasms if stimulated properly, possibly responsible for the disputed female ejaculation. Not all women have a G-spot that is responsive to stimulation, however.\n\nGiving birth\nDuring live birth, the vagina provides the route to deliver the fetus from the uterus to its independent life outside the body of the mother. During birth, the vagina is often referred to as the birth canal.\n\nMenstruation\nThe vagina provides a path for menstrual fluids to leave the body. In modern societies, tampons, menstrual cups and sanitary towels may be used to absorb or capture these bodily fluids.\n\nSexual health and hygiene\nMany women insert tampons during menstruation. These must be regularly changed - at least every 4 to 8 hours. Other objects inserted include diaphragms (placed against the cervix, blocking it from sperm), spermicidal cream and lubricant. Additionally, some women use vaginal douches, which serve to cleanse the vagina with a gentle soap intended to remove odor. These days, such treatment is discouraged by doctors, as it may upset the balance of bacteria in the vagina, rather than helping it. The vagina itself needs no particular treatment in the name of basic hygiene.\n\nThe vagina is examined during gynecological exams, often using an instrument called a speculum, which keeps the vagina open for visual inspections or taking of samples (see pap smear).\n\nVarious disorders can affect the vagina, including vaginal cancer and yeast infections. See vulvovaginal health.\n\none more additionl.. whts inside a girl's hole.. HEAVEN ON EARTH!!!
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it has been suggested that it was used to get rid of poisons you ingested from ,and to digest, plants and uncooked animals. But, Currently, the function of the appendix, if any, remains controversial in the field of human physiology. The wall of the appendix, however, contains lymphatic tissue that is part of the immune system for making antibodies.\n\nHypothesized functions for the appendix include lymphatic, exocrine, endocrine, and neuromuscular functions. However, most physicians and scientists believe the appendix lacks significant function, and that it exists primarily as a vestigial remnant of the larger cellulose-digesting cecum found in our herbivorous ancestors. Some people note, however, that the pineal gland which only recently (around 1960) has been found to produce important chemicals like melatonin was once considered a "vestigial remnant" as well.\n\nThere have been cases of people who have been found, usually on laparoscopy or laparotomy, to have a congenital absence of their appendix. There have been no reports of impaired immune or gastrointestinal function.
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its vagina fluid.. it gets accumulated in the uterus..  when a women orgasams the gentials contract and the fluid shoots out..
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Male reproductive organs or male reproductive system \n\nThe main reproductive organs of the male body are the testes, which produce sperm and also male hormones, in the form of testosterone. The male reproductive system also includes the external genitals — the penis and the scrotum — and the internal structures, including the prostate gland, the vas deferentia (plural for the 2 vas deferens), the urethra, and the seminal vesicles.\n\nTestes\nThe paired oval testes, also known as the male gonads, hang in the scrotal sac. Usually the right testis hangs higher than the left one by about 1 cm. The testes hang outside the body because the temperature inside the body is too high to produce sperm, so they are produced in the testes at about 3 °C lower than body temperature.\n\nEpididymis\nAt the back of the olive-shaped body of each testis is a cap formed by the many coils of a 20-foot long tube called the epididymis. The function of the epididymis is to collect the immature sperm from the testis.\n\nAs the sperm make their long journey through the epididymis they become mature sperm. This journey takes about 20 days and during its course the sperm become fertile and they also become able to move in a swimming motion (doctors refer to the sperm then as ‘motile’).\n\nVas deferens\nJoined to the epididymis is the vas deferens — a thick walled tube which transports sperm from the epididymis up to the prostate gland. The section of the vas deferens that is above the testis can be felt through the loose part of the scrotum. When a vasectomy is performed, it is this part of the vas deferens that is snipped.\n\nThe vas deferens empties into the ejaculatory duct, which passes through the prostate gland to merge with the urethra.\n\nThe urethra\nThe urethra serves as the tube down which urine passes from the bladder through the penis to the outside and also the tube down which semen is ejaculated.\n\nThe prostate\nThe prostate is a walnut-shaped gland that surrounds the urethra. Along with the seminal vesicles it produces the fluid secretions that support and nourish the sperm. Without this fluid to dilute them the sperm cannot move easily.\n\nAfter the age of 40 the prostate enlarges and can press on the urethra. An enlarged prostate is often the cause of urinary problems in older men.