Answer:
Four major types of secretory epithelial cells cover the surface of the stomach and extend down into gastric pits and glands: Mucous cells: secrete an alkaline mucus that protects the epithelium against shear stress and acid. Parietal cells: secrete hydrochloric acid. Chief cells: secrete pepsin, a proteolytic enzyme.
Explanation:
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Electrodes, the positive side is called the Cathode and the Negative side is <span>called the Anode.The anode and cathode. The anode is positively charged and the cathode is negative</span>
The answer is volcanic dust. hope this helps
Answer: True
Explanation: Essentially, it means that organisms must eat other organisms. ... Food energy flows from one organism to another. Arrows are used to show the feeding relationship between the animals. The arrow points from the organism being eaten to the organism that eats it.