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NUTRITION (DIGESTION PROCESS (MECHANICAL DIGESTION - Chewing, mixing &…
NUTRITION
DIGESTION PROCESS
- MECHANICAL DIGESTION - Chewing, mixing & churning food
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- PROPULSION - Swallowing & Peristalsis
- ABSORPTION - Movement of nutrients from the GI tact to the blood or lymph
- INGESTION - Taking food into the digestive tract
- DEFECATION - Elimination of indigestible solid wastes
STOMACH
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Secretes digestive juices - Hydrochloric acid (dissolve food fibres & act as a bactericide (kill bacteria) & Pepsinogen (breaks down proteins to polypeptides)
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MOUTH, PHARYNX & ESOPHAGUS
PHARYNX - Region posterior to the mouth, food passes through to reach oesophagus
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MOUTH - Oral Cavity, Buccal Cavity
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Chewing & Salivation - Salivary glans, Salivary amylase - Carbs, Bicarbonate, Lysosome
DIGESTIVE SYSTEM
GI TRACT
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Mouth, Pharynx, Esophagus, Stomach, Small Intestine & Large Intestine
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