کون سی لائن ایلیمینٹری کینال کی صحیح ترتیب کو ظاہر کرتی ہے؟
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A. Mouth → Small Intestine → Stomach → Oesophagus
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B. Mouth → Stomach → Oesophagus → Small Intestine
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C. Mouth → Stomach → Small Intestine → Oesophagus
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D. Mouth → Oesophagus → Stomach → Small Intestine
Explanation
The correct order of the alimentary canal, also known as the gastrointestinal (GI) tract:
- Mouth: Food enters the mouth, where it's chewed and mixed with saliva.
- Oesophagus: Food passes through the oesophagus, a muscular tube that transports it to the stomach.
- Stomach: The stomach secretes gastric juices to digest proteins and fats.
- Small Intestine: Nutrient absorption occurs in the small intestine, where specialized structures like villi and microvilli increase the surface area.
کون سی ایلیمینٹری کینال کی ٹشو پرت نہیں ہے؟
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A. Secretin
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B. Mucosa
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C. Serosa
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D. Muscular
Explanation
- Secretin is a hormone that stimulates the release of digestive enzymes and bicarbonate from the pancreas.
- But it is not a tissue layer of the alimentary canal.
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