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Reproductive System

Questions about the organs, cells and hormones associated with sexual reproduction.

1,743 Questions

What part of the female reproductive system does fertilization in humans normally occur?

  • Fertilization happens in the fallopian tubes.
  • The fallopian tubes lie in the pelvic portion of the abdominal cavity and each tube reaches from an ovary to become the upper part of the uterus. This funnel-shaped tube is about three inches in length; it carries eggs and sperm, and is where fertilization of the egg takes place. The larger end of the funnel is divided into feathery, finger-like projections, which lie close to the ovary. These beating projections, along with muscle contractions, force the ovum down the funnel's small end, which opens into the uterus. After sexual intercourse, sperm swim up this funnel from the uterus. The lining of the tube and its secretions sustain both the egg and the sperm, encouraging fertilization and nourishing the egg until it reaches the uterus.

What is the organ that delivers semen to the female reproductive tract?

The penis is the organ than delivers semen to the female reproductive tract during sexual intercourse.

What are men reproductive cells called?

Men's reproductive cells are called, "Spermatazoa" (spurm-uh-tuh-ZOE-uh) A single cell is called a, "Spermatazoon" (spurm-uh-tuh-ZOE-on)

For short, both are often called, "Sperm cells". Sperm cells are very, very tiny, needing a microscope to even see them. They each have a long 'tail' called a flagellum used to swim to where they need to go.

What are different types of diseases and the preventive measures?

The only way to not get a disease ever is by not being alive.

There are genetic diseases, for which the only preventable measure is to prevent the parents from having children (some times only one parent is needed to carry the condition such as diabetes and other times both need to carry the gene).

There are airborne diseases, for which the only preventable measure is to wear a mask N95 24/7 (their lifespan is only 8 hours) or to live in a bubble.

There are fluid-borne diseases, like herpes (transmitted by kissing a person with a latent virus) , "hepatitis A" by eating contaminated foods/water and sexually transmitted diseases (hiv, chlamydia, etc) which can only be avoided by not having sex at all (condoms are 99.99% effective)

There are the ones transmitted by direct contact, like the eating flesh bacteria, in contact with an open wound, cold (the virus can live in a surface outside the body for hours and then re-entering via mucous surface such inside the nose or the eye or inside the mouth). Wash your hands and take proper care of open wounds.

Most of the people have immune systems, if the body doesn't get sick it will eventually over react to harmless things such as pollen, dust, pet hair (yes, that's right, allergies). Use it or loose it.

What is the role of hormones in human reproduction?

The male is in posession of the Testes, which produce sperm. Sperm can have either chromosone which results in the gender of the baby - X, or Y. You only need one Y chromosone for the child to result in a male, and two X for a female to be produced. There is a 50/50 chance of either. There are fewer sperm carrying X but they are faster than the sperm carrying Y, thus the chances even out. The female 'sex cell' or egg always carrys the X chromosone, thus only two pairings can result;

Female - XX

Male - XY

When the two nuclei of the egg and sperm cell unite, they form the Zygote, which divides and forms stem cells (Unspecialised cells found in the spinal cord in adult life), which specialise as the embryo grows.

What is a half male half female called?

hermaphroditism I think that's how you spell it someone who has it is a hermaphrodite

Maybe some people would just call it a hormonish unbalancement. Sounds really awkward for a word called hermaphroditism.

Can you still get pregnant with no fallopain tubes but you have your ovaries?

Ovaries produce eggs. If only your fallopian tubes were removed, then there is no reason you cannot produce eggs. However, for the eggs to reach a location to be fertilized, they need the fallopian tubes for transport. If you are asking related to fertility issues, please contact your doctor, NOW! You appear to have a disease. Shamefully my nan received this - 6 feet under.

What is male or female reproductive cell?

In humans a male reproductive cell is the sperm, while the female reproductive cell is the egg.

How does eggs get from ovary to uterus?

Growing follicles in the ovaries secrete small amounts of oestrogen in to the blood.

What does it mean when your vagina gets tingly?

I'm not entirely sure, but I think it means you're thinking about someone special or getting really horny. It happens to me, so I'm just taking that information and haven't researched it. You could try looking on other sites like Yahoo Answers or Ask.com.

How can problems related to stds affect the male eproductive system?

Some disorders of the male reproductive system affect the penis, such as erectile dysfunction or hypospadias. Some disorders affect the testes, such as testicular cancer. Still others, like hydrocele, affect the scrotum.

What part of the female reproductive system produces sex hormones?

In the reproductive system male and female hormones are completely different but in other systems all the hormones are same for example the thyroid gland produces thyroxine in both male and female and the pituitary gland produces ADH in both male and female

What is the main job of a females reproduction system?

The main function of the female reproductive system is to create new life forms aka babys.

What diseases affect both male and female reproductive organs?

For a disease to effect women only, you pretty much have to confine your search to diseases of the female reproductive organs - for example cervical or ovarian cancer. You could also consider syndromes which occur post pregnancy, e.g HELLP syndrome.

However, there is a slight technical flaw with stating that "cervical cancer only affects women" - most people would consider this to be true, however transgender people who have changed from female to male (and who are legally defined as male) can still get cervical or ovarian cancer. There are also some inter-gender conditions which would also disprove statements such as "only women get cervical cancer".

Because of this, you could argue that no diseases affect women only. Alternatively, you could restrict your definition of female, or prefix everything with the wording "in general".

What does basal layer means in epidermis?

The function of the deep basal layer of the endometrium is to regenerate a new superficial layer (termed the functional layer) of endometrium for each menstrual cycle.

How many snakes can hatch from one egg?

There is usually one snake per egg. However, more than one snake can hatch from one egg. Just as human identical babies are the product of one egg, identical snake babies can come from a single egg.