THORAX ABDOMEN AND PELVIS

MEDICAL

RECTUM AND ANUS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The main part of the digestive system that makes it possible for the pseudo-ruminants to digest roughage is the
A
colon
B
cecum
C
stomach
D
small intestines
Explanation: 

Detailed explanation-1: -Pseudo-ruminants have a three-chamber stomach in the digestive system. However, their cecum-a pouched organ at the beginning of the large intestine containing many microorganisms that are necessary for the digestion of plant materials-is large and is the site where the roughage is fermented and digested.

Detailed explanation-2: -Pseudo-ruminants eat forages as well as grains. The main parts of a pseudo-ruminant’s digestive system include the esophagus, stomach, small intestine, colon, cecum and rectum.

Detailed explanation-3: -The main functions of the cecum are to absorb fluids and salts that remain after completion of intestinal digestion and absorption and to mix its contents with a lubricating substance, mucus. The internal wall of the cecum is composed of a thick mucous membrane, through which water and salts are absorbed.

Detailed explanation-4: -PSEUDO-RUMINANT DIGESTIVE SYSTEM A pseudo-ruminant is an animal that eats large amounts of roughage but does not have a stomach with several compartments. The digestive system does some of the same functions as those of ruminants. For example, in the horse, the cecum ferments forages.

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