THORAX ABDOMEN AND PELVIS

MEDICAL

RECTUM AND ANUS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A muscular and elastic sac that serves mainly to store food, break it up mechanically, and begin chemical digestion of proteins and fat with enzymes
A
stomach
B
small intestine
C
large intestine
D
rectum
Explanation: 

Detailed explanation-1: -The stomach is the widest part of the digestive tube. It is a muscular-walled, J-shaped sac in which food is stored, churned, and mixed with gastric juices secreted by its lining. This process begins moments after food enters the stomach from the oesophagus, through the gastro-oesophageal junction.

Detailed explanation-2: -gallbladder, a muscular membranous sac that stores and concentrates bile, a fluid that is received from the liver and is important in digestion. Situated beneath the liver, the gallbladder is pear-shaped and has a capacity of about 50 ml (1.7 fluid ounces).

Detailed explanation-3: -The stomach is a muscular hollow organ. It takes in food from the esophagus (gullet or food pipe), mixes it, breaks it down, and then passes it on to the small intestine in small portions.

There is 1 question to complete.