Has structures that will block off paths were food should not go, like the nasopharynx and trachea
The esophagus
Transports food to the stomach
Aids in breathing
Is attached to the uvula
Produces amylase
The stomach
Produces hydrochloric acid (HCl)
Can kill many pathogens
Churns and mixes
Controls the entry and exit of food by sphincter muscles
The small intestine
Is short
Neutralizes stomach acid
Digests sugars, fats, and proteins
Houses chyme
The pancreas
Is an unnecessary organ
Is found near the esophagus
Produces sodium bicarbonate
Produces insulin and glucagon
The large intestine
Has a large diameter
Absorbs water and vitamins from the blood
Is a vestigial organ
Completes the digestion of sugars
The gall bladder
Produces bile salts
Neutralizes chyme
Helps emulsify fats
Produces adrenaline
The liver
Stores vitamins and insulin
Detoxifies
Helps maintain blood sugar
Helps regulate cholesterol
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