In most animals, the gut or digestive tract can be thought of as:?

2014-08-25 4:54 pm
更新1:

a)the stomach, small intestine, and large intestine. b)the pouch in which digestion occurs. c)the small and large intestines, along with the anus. d)the tube that runs from the animal’s mouth to its anus. e)the esophagus, stomach, and large and small intestines.

回答 (2)

2014-08-25 10:20 pm
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2014-08-25 5:14 pm
Think of all the animals from flatworms to humans. Do humans have a pouch? Do flatworms have a stomach? Do any animals other than mammals have small and large intestines?

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