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Because the contents of it is not injested

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13y ago

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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 is the rectum in?

The rectum is part of the digestive system.


Is the digestive tract inside or outside the body?

The digestive tract is considered to be outside the body in terms of its function. It is a continuous tube that runs from the mouth to the anus, and while it is enclosed within the body, it is technically an external environment because it is open to the outside at both ends. The substances that enter the digestive tract are not part of the body's internal environment until they are absorbed into the bloodstream.


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 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.


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.


How does the digestive system help body cells?

how dose the digestive system help body cells


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


A nutrient is considered to be outside the body until it enters?

the blood or lymph system..... (:


What effects the digestive system?

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