Submucosa, serosa
The submucosa layer of the gi tract wall contains glands, blood vessels, and nerves, whereas the serosa layer is the outermost layer that protects the GI tract.
The gastro intestinal tract (GI) is a series of hollow organs that extend from the mouth to the anus. The hollow organs of the GI tract include the mouth, esophagus, stomach, small intestine, large intestine, and anus. The submucosa layer of the GI tract wall contains blood vessels, glands, nerves, and lymphatic vessels. The serosa layer is the outermost layer of the GI tract. The serosa layer is made up of areolar connective tissue that protects the GI tract.
Answer:
The stem is normally divided into nodes and inter nodes.
Explanation:
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A molecule is a group of bonded atoms. Answer a, b, and c all have molecules. For example H2O has the molecule H2 in it. The only compound that doesn't share this trait is answer d: NaCl.