THORAX ABDOMEN AND PELVIS

MEDICAL

RECTUM AND ANUS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The correct pair between the digestive organs and the processes that occur in them is ____
A
In the mouth, mechanical and chemical digestion of proteins occurs
B
duodenum, proteins are digested by lipase
C
duodenum, fats are emulsified by bile
D
stomach, protein is digested by lipase
E
duodenum, fat is digested by pepsin
Explanation: 

Detailed explanation-1: -In the small intestines bile emulsifies fats while enzymes digest them. The intestinal cells absorb the fats. Long-chain fatty acids form a large lipoprotein structure called a chylomicron that transports fats through the lymph system.

Detailed explanation-2: -Mechanical digestion in the oral cavity consists of grinding of food into smaller pieces by the teeth, a process called mastication. Chemical digestion in the mouth is minor but consists of salivary amylase (ptyalin, or alpha-amylase) and lingual lipase, both contained in the saliva.

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