No, the size of the litter tends to be determined by breed and individual genetics of the bitch and sire.
yes
no they don't, and the male also have no interest.
It's a name for a female dog who is going through heat.
All balloons expand in heat.
yes, the heat makes the particles move and in the heat they expand.
Around 5-8 months. And its not puberty, its a heat cycle :)
10 teats is rather minimal. 12 teats is common. 14 teats is a good breeder. 16 teats is a superior sow.
expand
heat makes metal expand.
ugly bitches ugly bitches
Yes, these teats are sometimes called fishtail teats and it can be difficult for kids to suckle on them.