any age it all happens naturally so dont worry about it
a sperm will only make you pee a bit of blood at times but dont worry
Depends. Are you Catholic? Then very early. ;)
They have sperms to make babies. When a guys sperm is mixed with a girls a egg a baby is made
no
Cows don't make sperm, bulls do. Sperm, once in the cow, will only survive for around 24 to 72 hours.
Yes it can.
Probably do it a while and then get tired of it.
by mixing sperms hot water and salt.
Sure they do. Its the only way they have to make new whales
Some time after he has reached puberty the sperms starts to be created.
Females could make babies
Nothing, your body makes sperm on its own
To keep the organ active, to make it bigger.