Misc: A salt enema used to be given to children to rid them of _______?

Questions

The word "puppy" comes from the French poupee, meaning?

The leech has 32 _______?

In Russia, dogs have been trained to sniff out ore deposits that contain _________?

The word "struthious" refers to something that resembles or is related to ______?

The leech will gorge itself up to _____ times its body weight and then just fall off its victim?