== The timing of sexual intercourse is very important for fertilization to occur. The egg can only be fertilized for about 18-24 hours after it is released, so sperm must be present in the fallopian tubes around the time of ovulation. Man's sperm can only survive approximately (average) 3-5 days so a woman's fertile time will only be around 5-6 days every month, with the most fertile time being the 2-3 days up to and including ovulation. Discover more in recommended related link.
Only males have sperm. There is no such thing as female sperm.
Adult Male Sperm Whales can be as long as 20 meters. The average size is around 17 meters and they weigh 40 tonnes or more. Adult Female Sperm whales are on an average 11 meters long and weigh around 14 tonnes.
It can take 12 - 72 hours for human sperm to reach the egg.
It has a long tail that helps it swim easily to reach the ovum, It has a pointed tip in the head of the sperm which allows it to effectively enter the ovum.
With crested geckos, females are usually bigger than the males, as they need the extra weight to sustain the breeding season. Females usually reach 8-10", while males reach 7-9".
Maturity of this shark is at+- 290cm in males and+-340cm in females. Females-4 years Males-3-4years.
Yes, you can have an orgasm before you ever get your period. In fact females can reach orgasm from as young as 18 months old, so females can orgasm long before they even enter puberty let alone reach menarche.
Adult Male Sperm Whales can be as long as 20 meters. The average size is around 17 meters and they weigh 40 tonnes or more. Adult Female Sperm whales are on an average 11 meters long and weigh around 14 tonnes.
As long as he produces the active male gamete cell (sperm) and physically make it possible for the sperm to reach the ovary and fertilize the ova in the female.
Adult Male Sperm Whales can be as long as 20 meters. The average size is around 17 meters and they weigh 40 tonnes or more. Adult Female Sperm whales are on an average 11 meters long and weigh around 14 tonnes.
Male sperm whales, on average, are 16-18 meters long. This is 30-50% longer then females, who range from 12-14 meters from nose to tail. At birth, both make and female sperm whales are about 4 meters long (and 1,000 kilograms in weight!) These whales are huge animals!
How long does male sperm live