Sperm ejaculated into a woman's vagina remain alive in the mucus of the cervix and are able to fertilize an egg for three to five days. Sperm ejaculated outside the body usually live only a few hours.

Washed sperm is supposed to only live for 6-12 hours, but sometimes as long as 24 -- not nearly as long as sperm can live in fertile cervical mucus (sperm can live up to 5 days in fertile mucus, 2-3 days being pretty common). This is why timing is so important. See similar questions...

Normal, healthy sperm live approximately 48-72 hours. (Abnormal sperm may have a shorter life, which may vary according to sperm health.) We do know that washed sperm can survive in the IVF incubator for up to 72 hours. That would be considered the upper practical limit. See similar questions...

Well I guess that depends on who you talk to--Most farmers who are in the egg producing business will say 2 years. Those who are in the meat producing business will say 6 months--Those who keep birds as pets (with names) or who are not interested in maximum production of eggs, will find that chickens can live up to 8 or 10 years. See similar questions...

You'd think that would be a simple question, with a simple answer. Unfortunately, every source I've found gives different information: Britanica Online says the lifespan of a domestic cat in captivity is 21 years (in context, this seems to be the maximum age of the vast majority of otherwise healthy cats!!!). The Tidycat website once indicated that the average Russian Blue lives 18 years (I couldn't find a reference to persian lifespan). On the HomeArts Ask the Vet website, Dr. See similar questions...

The average life span of most giant breeds is about 8-10 years. I know of Danes living to 10-12 years, but right now unfortunately that is the exception rather than the rule. There are a few health problems which afflict the Great Dane breed: growth problems (HOD, PANO and OCD), hip dysplasia (OFA and Penn-Hip tests), and bloat/GDV/torsion are primary concerns. Wobblers, thyroid problems, and problems with the eyes (CERF test) also appear in the breed. Se our HEALTH links for more info: See similar questions...

Lice may live for several weeks on a person, but they rarely live more than 48 hours when removed from a person's body. See similar questions...

This varies with the mosquito species and the time of the year. Some species may only live for less than a week, while others can live for several months over the winter months. (BACK) See similar questions...

As long as they wish. Millions of years if they want to. And their physical bodies are forever young, because they can regenerate any cell in their bodies at will. See similar questions...

http://www.sciencenet.org.uk/database/Biology/Original/b00054d.html says that the life span of spiders can vary from a few months to 20 years. See similar questions...

Most people with lupus can live a normal life span if they are properly treated, follow their doctor's advice, and lead a healthy lifestyle. See similar questions...

Bees live for 6 weeks when gathering nectar during the summer. Their wings gradually wear away from constant activity. Those that are alive in the later fall live till spring and care for the larva hatched from eggs laid in late winter. These worker bees die before the honey flow starts again in the spring. The queen bee can live for 3-4 years. See similar questions...

It is not unusual for the male to experience some burning (dysuria) during urination following ejaculation. This is the result of friction developed along the urethra (the lining of the penis) during the act of sexual intercourse or masturbation. Urine moving along the urethra creates a burning sensation. It should not be considered a sign of any active disease or indicative of injury to the penis but rather a natural event. See similar questions...