Select the correct arrangement of the parts of the food canal in humans from the starting point to the ending

Question

Select the correct arrangement of the parts of the food canal in humans from the starting point to the ending point.

Examoogle · Accepted Answer

The correct answer is Option D: The buccal cavity ---> Oesophagus ---> Stomach ---> Small intestine ---> Large intestine ---> Rectum ---> Anus. Remember the sequence of food transit: Ingest (Mouth) -> Transport (Oesophagus) -> Process (Stomach) -> Absorb (Small Intestine) -> Absorb Water (Large Intestine) -> Store (Rectum) -> Egest (Anus).

Step-by-Step Solution & Concepts:
Shortcut Trick: Remember the sequence of food transit: Ingest (Mouth) -> Transport (Oesophagus) -> Process (Stomach) -> Absorb (Small Intestine) -> Absorb Water (Large Intestine) -> Store (Rectum) -> Egest (Anus).

Steps: Establish the Starting Point: Digestion begins in the buccal cavity (mouth), where food is ingested and broken down.. Identify the Transit and Processing Sequence: Food travels down the oesophagus into the stomach. From the stomach, it moves to the small intestine (where most nutrient absorption occurs), followed by the large intestine (where water is absorbed).. Conclude the Final Egestion Sequence: Waste material is stored in the rectum before being expelled through the anus.

Answer: D is correct because it correctly follows the physiological path of food transit from ingestion in the buccal cavity to final egestion through the anus.

Why options are wrong: Option A is incorrect because the large intestine appears before the small intestine. Option B is incorrect because the anus appears before the rectum. Option C is incorrect because the large intestine appears before the small intestine and the anus appears before the rectum.

Exam Tip: In sequence-based reasoning, always look for the fixed biological or logical anchor (start and end points) to quickly eliminate half of the options.

Examoogle · Answer

Option A: The buccal cavity ---> Oesophagus ---> Stomach ---> Large intestine ---> Small intestine ---> Rectum ---> Anus

Examoogle · Answer

Option B: The buccal cavity ---> Oesophagus ---> Stomach ---> Small intestine ---> Large intestine ---> Anus ---> Rectum

Examoogle · Answer

Option C: The buccal cavity ---> Oesophagus ---> Stomach ---> Large intestine ---> Small intestine ---> Anus ---> Rectum

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