When the sperm reaches and enters the egg the tail falls off and then the reproduction starts.
They stay until one of the thousands of sperm cells find the ovule (female sex cell) and then there's a possibility you could get pregnant but the other sperms die. The first sperm to get into the ovule is safe but the other sperms last for at least one day then they die.
It depends on which house you mean. Some buildings are impossible to get into. If you mean your house then you zoom in until the roof disappears. If you want your sim to get into it click the floor and select the option Go Here.
You know that joke that goes like this: There's a baby sperm talking to papa sperm and he asks, 'Papa how long until we get there?' And the father replies, 'Really long, we're barely down the throat.' Well that's that. No, you can't get pregnant from swallowing.
The Item will stay there until you leave the room you are in.
He disappears until you beat the Pokemon league again.
It just disappears until you beat the Pokemon League. Then it will reappear where you first saw it.
he meant that nothing is impossible until you have tried to see if it's impossible.
A soon as puberty begins a boy can normally produce sperm. It is highly unusual, but not impossible, for a boy to experience the onset of puberty at age 8. as above it could happen but the odds are very low
The tail of a sperm remains with the head until the sperm goes into the egg to fertilise it.
nurse cells nourish the sperm cells until they have fully developed
Boys start to produce sperm once they have started puberty which can be anywhere from 9 or 10-years-old although on average it would be around 14-years-old. Each boy is individual and development will be at different rates so it is impossible to say when you will begin to produce sperm yourself. Puberty lasts until around 19-years-old so for some boys sperm may not start until late in their teens.
The upper part of the testes where sperm cells are stored until they become matured is called the epididymis. It is a coiled tube where sperm undergo maturation and are stored until they are ready to be ejaculated.