It is much the other way around. 'Testicle' or 'teste' is the correct term for it; 'ball(s)' is slang.
Sheep 'balls" are called testicles; as are bovine "balls" and human "balls". "Balls" of the bovine persuasion, when prepared and cooked, are called Rocky Mountain Oysters, and sheep testicles are called "Shearer's oysters".
The "family jewels" are a man's testicles, also called "balls."
"balls" is slang - but they are his testicles
Sperm are manufactured in the Testes, also called Testicles, Balls or Bollocks.The testicles produce sperm.
That is slang for testicles.
hairy testicles
The "Ball Sack" is called a "scrotum" and contains testicles.
"Balls" is a slang term for testicles. This is a very rude exclamation.
balls the size of tennis balls isn't necessarily a bad thing, but average size testicles are just a little bit bigger than golf balls
semen is how you really spell it and firstly, sperm is stored in the balls or testicles but semen however is produced by the balls/testicles but is stored in the epididymi.
Only male rats have testicles.
If you mean testicles then no girls don't have them.