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10 Cards in this Set
- Front
- Back
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Stages of food processing are |
Ingestion, digestion, absorption, egestion |
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Function of the digestion system |
Help convert food into simpler molecules that can be absorbed& used by cells of the body |
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What is mechanical digestion |
Mechanical digestion is the physical breakdown of large pieces of food into smaller pieces |
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What is chemical digestion |
Chemical digestion occurs when food is changed chemically |
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What does saliva do |
Moisten food and makes it easier to chew, eases the passage through the digestive system and AIDS in the process of chemical digestion |
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What does saliva contain |
Amylase an enzyme that breaks the chemical bonds in starches and releases sugars & it contains lysozymes an enzyme that fights infections |
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Food is moved down the esophagus from contractions of smooth muscles called |
Peristalsis |
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What does the cardiac sphincter do |
It closes the esophagus after good has passed into the stomach |
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How many smooth muscles layers are there in The stomach and what do they do |
There are 3 and the churn food |
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The creation of Chyme is physical or mechanical digestion? |
Mechanical |
