First let me say that you should check with a reputable botanist who specalizes in pharmacognosy. Herbal != safe. Nighshade, Hemlock, and Poison Ivy are about as herbal as they come and just about as evil as they come too!
Yes. It was used for Firewood, Medicine, and Paper.
Elephants ARE used to make a sort of ancient Asian medicine. I'm not completely sure if the medicine actually works though.
Coal and various oils are used to make medicine both in the process and actuality. They are also used to make toothpaste and even cleaning products.
used for people
In China animal bones are used to make medicine, if it works it is another matter.
By producing antibiotics
Make a patient well.
Only the roots.
Used to make medicines
Bark
The aboriginals found medicine in the plants that surrounded them. They often used leaves to make medicines or poultices that were used to treat wounds.
sulfur