mouth
No. They are not the same. The anus is the exiting point for the digestive tract. The vagina is the entry/exit for the female reproductive system.
The entry point in the US federal court system are District Courts.
The lung
The mouth is the starting point of the digestive system. When we chew our salivary glands release the enzyme amylase to start breaking down simple sugars.
The point is to digest things
An entry control system is a device that you use to get into your home. Typically these devices are used with garage doors and you will have a button you can push from your car to open the point of entry.
I would conclude your digestive system is working correctly If You dietary intake is broken down into Needed Nutritional parts and Produces Some manner of waste produced at some point in the future After that...
The biggest affect on the digestive system is that it will all weaken. It can even weaken to the point where it cannot handle food or fluids if it is actually taken in.
nose(nostrils) the first point of air entry.
Excretory
All animals with a digestive system release gas at some point.
The mouth is considered part of the digestive system, because it is the entry point for food going into your body. Additionally, digestion begins in the mouth. Saliva contains a enzyme called amylase that begins digesting carbohydrates before they enter your stomach. If you hold a piece of bread in your mouth for around a minute, it will begin to taste different -- this is the amylase at work.