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Which of the following is NOT a function of the skin?
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1. Introduction to Biology
Introduction to Biology
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Which of the following is found in human saliva?
A
Pepsin
B
Hydrochloric acid
C
Amylase
D
Bile salts
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Understand the role of saliva in the human digestive system. Saliva is secreted by salivary glands and contains enzymes and other components that aid in the initial digestion of food.
Review the function of each option provided: Pepsin is a digestive enzyme found in the stomach, not saliva. Hydrochloric acid is also found in the stomach and helps create an acidic environment for digestion.
Learn about amylase, an enzyme present in saliva. Amylase breaks down starches (complex carbohydrates) into simpler sugars, making it a key component of saliva.
Understand that bile salts are produced by the liver and stored in the gallbladder. They are released into the small intestine to aid in fat digestion, not found in saliva.
Conclude that the correct answer is amylase, as it is the enzyme specifically found in human saliva and plays a role in the digestion of carbohydrates.
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