Oral contracts are by definition, contracts that are verbal, not written. Therefore, the terms or even existence of these contracts are often somewhat harder to prove in court. If you were to decide to sue the other party for breach of an oral contract, you would be required to show that the oral contract exists.
eating food
The mouth of a grasshopper is used to masticate
The purpose of the 'salivary gland' is to keep the mouth moistured and allow food to be processed through the mouth easier.
it can be used for mouth and esophageal problems
a good taste in your mouth; a treat
Their mouth contains a "radula" for this purpose.
if it was on purpose then i would sware him out and threaten to leave or just leave
Nothing is actually 'digested' in the mouth. it's one purpose is to taste and help swallow.
to heal an infection at back of mouth
Like the oral cavity (the mouth) you can breath in and out with this.
Tonsils don't do anything so the purpose of a tonsil is nothing really.
Molars are the teeth found at the back of the mouth. Their purpose is to grind food.
It helps keep the insect in the mouth of the frog