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A "tube" is normally defined as having two openings, one at each end.

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8y ago

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How many openings has a digestive tube?

They have two.


What are the openings at opposite ends of a roundworm's digestive tube called?

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What is the name of the respiratory system of insect which is composed of branching tube with openings to the outside?

tracheal system


What is the name of respiratory system of insects which is composed of branching tube with openings to the outside?

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What organs comprise the tube of the digestive system?

From the esophagus to the anus, the digestive is basically a tube very similar to other tubular organs in the body. All such tubular organs are composed of several tissue layers arranged around a lumen. In a "generic" tubular organ, these layers are as follows (from the lumen to the ablumenal layer).


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What part connects the mouth to the digestive tube?

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How does a digestive sac differ from a digestive tube?

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What is the digestive track?

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What tube is used by both the digestive and respiratory systems?

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How is a roundworm's digestive tract like a tube-within-a-tube?

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What is known as the food tube in the digestive system?

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