2chapter38
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Digestion and the Excretory System
Period 2
Faroz Zaman
Norman Zhu
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The Mouth The mouth is the
first part of the digestive system.
The two parts of the mouth that help digestion are the salivary glands and teeth.
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Norman Zhu
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The Esophagus The esophagus is
what transfers bolus from the mouth to the stomach using peristalsis.
At the bottom of the esophagus is the cardiac sphincter.
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Norman Zhu
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The Stomach
Chemical Digestion Mechanical Digestion Ulcers
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Norman Zhu
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The Pancreas and Liver
Liver
Pancreas
Duodenum
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Norman Zhu
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The Small Intestine
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Norman Zhu
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The Large Intestine The main job of the large intestine is to
absorb water. Diarrhea Vitamin K
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Faroz Zaman
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Excretion Skin Lungs Kidneys
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Faroz Zaman
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The Kidneys Located on both
sides of the lower back
Kidney Structure Filtration Reabsorption and
Secretion Blood water content
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Faroz Zaman
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Homeostasis by Machine A patient with
diseased kidneys can be kept alive by the use of a machine.
Artificial Kidneys
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Faroz Zaman