THORAX ABDOMEN AND PELVIS

MEDICAL

RECTUM AND ANUS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Chemical and mechanical digestion takes place in ____ and ____
A
Small intestines and large intestines
B
Stomach and mouth
C
Esophagus and stomach
D
Anus and rectum
Explanation: 

Detailed explanation-1: -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.

Detailed explanation-2: -Mechanical digestion occurs from the mouth to stomach while chemical digestion occurs from the mouth to intestine.

Detailed explanation-3: -In your stomach, unique chief cells secrete digestive enzymes. One is pepsin, which breaks down proteins. Another is gastric lipase, which breaks down triglycerides. In your stomach, your body absorbs fat-soluble substances, such as aspirin and alcohol.

There is 1 question to complete.