The first part of the small intestine is called _____.

jejunum

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ileum

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duodenum

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caecum

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Solution

The correct option is C duodenum
Small intestine is the longest part of the alimentary canal. It is divided into three regions- duodenum, jejunum and ileum. Duodenum is the first part of the small intestine. The duodenum opens into jejunum. Ileum is the longest part of the small intestine and it opens in the caecum.

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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. The first part of the small intestine is called _____.

The first loop of the small intestine is called:

What is the "U" shaped, short upper part of the small intestine called?

Statement 1: Undigested food is temporarily stored in the rectum.

Statement 2: The first part of the small intestine is U- shaped and is called cloaca.

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