In the textbook, the stomach was given as an example of an organ. Which of the following is a valid description of the work of one of its tissues?
A) Its epithelial tissue secretes substances that help with digestion.
B) Its muscle tissue forces secretions out of glands and into the stomach.
C) Its connective tissue helps drain the stomach contents.
D) Its nervous tissue communicates directly with the intestines to coordinate digestion.
Answer: A
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