55. Read the following statements and find out the incorrect statements
a. Small intestine is distinguished into three regions -a 'U' shaped duodenum, a long coiled middle potion
jejunum and highly coiled ileum.
b. Oesophagus opens into the cardiac part of Stomach
c. Arrangement of teeth in each half of upper and lower jaw is represented by dental formula
d. rectum is a small sac which hosts some symbiotic micro-organisms.
a and d
d (B) band d
(C) b and c (D) a and c
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send picture this is too his and not understandable
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