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Because the contents of it is not injested

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Q: Why is the digestive system considered outside the body?
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Related questions

What body system is the mesentery in?

The body system in which mesentary belongs to can be considered both the digestive and the lymphatic system.


What body system is the rectum in?

The rectum is part of the digestive system.


Why is digestive system considered to be part of your external environment?

You should consider if inside of the digestive tract is made up of cells. organs or systems that have hollow tube such as mouth, respiratory tract, digestive system, and GI tract are considered external environment because it is connected to outside. You can think of more examples of the external environment in the body.


What body system does the intestines belong to?

The body system that the colon belongs to is the digestive system. The colon is also known as the large intestine.


What is the interior cavity of the digestive tract?

Food does not go 'Inside' of your digestive system. It remains 'Outside' of the digestive system. So most of the digestion is extracellular. So from mouth to anus the entire digestive system is connected to the 'Exterior' and is not technically and immunologically 'Inside' your body.


What does the digestive system do for your body?

The digestive system digests food that goes into your body.


What human body system does taste buds belong to?

The taste buds would be considered part of the digestive system.


How does the digestive system help body cells?

how dose the digestive system help body cells


Why is the inside of the digestive system not really inside your body?

The digestive system is really just a tube that begins at your mouth and ends at the rectum. Most of it is filled with bacteria compared to the other parts of your body which are usually sterile with no bacteria.


Which body sytems does not work with the immune system to regulate internal body functions?

The digestive system does not work with the immune system to regulate body functions.


What is the digestive?

The digestive system is the system that makes food absorbable into the body


What effects the digestive system?

digestive is to digest but the digestive system is a system of digestion.