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19 questions
Proteins are broken down into _______.
Fatty acids
Glycerol
Glucose
Amino acids
Large carbohydrates are chemically digested into smaller _____ molecules
proteins
amino acids
glucose
enzymes
Digestion begins in the ______.
Mouth
Stomach
Small intestine
Gallbladder
Saliva contains a carbohydrate enzyme called ___.
Amylase
Pepsin
Lipase
Maltase
The structure that keeps food from entering the trachea is called the _____________.
Salivary gland
Epiglottis
Pharynx
Esophagus
The chewed up food moves from the mouth to the stomach through the ___________.
esophagus
pancreas
liver
small intestine
The main function of the stomach is to:
Store food
Produce hydrochloric acid
Begin protein digestion
All the above
Which enzyme does the stomach produce?
amylase
lipase
maltase
pepsin
Which of the following kills bacteria in the human digestive system?
Hydrochloric acid
Mucus
Amylase
Pepsin
Which digestive organ is represented by the letter B?
Pancreas
Liver
Mouth
Small intestine
Which food is unsuitable for a person who cannot secrete enough bile?
butter
lean meat
spinach
rice
The majority of digestion occurs in the:
mouth
stomach
small intestine
large intestine
Where does protein digestion begin?
mouth
stomach
small intestine
large intestine
Absorption of nutrients happens through small finger-like structures called ________.
sphincters
enzymes
lipids
villi
The diagram represents a portion of a human body. The principal function of structure X is to
produce amylase
produce pepsin
absorb water
absorb nutrients
Which letter collects and stores wastes until they are ready to be released from the body?
D
E
K
L
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