Correctly arrange the parts of the alimentary canal in descending order.

Mouth, oesophagus, stomach, intestine

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Oesophagus, mouth, stomach, intestine

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Intestine, mouth, stomach, oesophagus

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Stomach, Intestine, mouth, oesophagus

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Solution

The correct option is A Mouth, oesophagus, stomach, intestine
Parts of the alimentary canal in descending order is -
1. Mouth is the first part of the alimentary canal. It has a tongue and 32 teeth and salivary glands, which helps in digestion. Teeth breaks the food into small fragments saliva starts digestion of starch in food and make the food into bolus which is easy for swallowing.
2. Oesophagus is also known as the food pipe. It is a muscular tube which moves the bolus from mouth to stomach.
3. Stomach is a muscular, hollow, dilated part of the digestive system. It secretes protein-digesting enzymes called proteases, pepsin and strong acids to aid in food digestion.
4. Intestine is most important part of the digestive system where much of the digestion and absorption of food takes place and following large intestine. The small intestine is composed of a duodenum, jejunum, and ileum. The large intestine also called the colon or the large bowel. Water is absorbed here and the remaining waste material is stored as feces before being removed by defecation. Thus, the correct answer is option A.

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Similar questions

Which of the following is the correct sequence of parts as they occur in the human alimentary canal ?

(a) Mouth $\to$ Stomach $\to$ Small intestine $\to$ Oesophagus $\to$ Large intestine
(b) Mouth $\to$ Oesophagus $\to$ Stomach $\to$ Large intestine $\to$ Small intestine
(c) Mouth $\to$ Stomach $\to$ Oesophagus $\to$ Small intestine $\to$ Large intestine
(d) Mouth $\to$ Oesophagus $\to$ Stomach $\to$ Small intestine $\to$ Large intestine

Question 4
Which is the correct sequence of parts in a human alimentary canal?

(a) $M o u t h \to s t o m a c h \to s m a l l i n t e s t i n e \to o e s o p h a g u s \to l a r g e i n t e s t i n e$
(b) $M o u t h \to o e s o p h a g u s \to s t o m a c h \to l a r g e i n t e s t i n e \to s m a l l i n t e s t i n e$
(c) $M o u t h \to s t o m a c h \to o e s o p h a g u s \to s m a l l i n t e s t i n e \to l a r g e i n t e s t i n e$
(d) $M o u t h \to o e s o p h a g u s \to s t o m a c h \to s m a l l i n t e s t i n e \to l a r g e i n t e s t i n e$

Q. Main parts of alimentary canal are the mouth, _________, Oesophagus, stomach, small intestine, large intestine, rectum and anus.

Q. Arrange the following in the order in which they are found in the alimentary canal.
small intestine, mouth, anus, large intestine, duodenum, oesophagus, stomach

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