NEET BIOLOGY

CELL STRUCTURES AND FUNCTION

BIO MOLECULES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Where does mechanical and chemical digestion take place?
A
mouth
B
stomach
C
small intesting
D
mouth and stomach
Explanation: 

Detailed explanation-1: -Proper digestion requires both mechanical and chemical digestion and occurs in the oral cavity, stomach, and small intestine. Additionally, digestion requires the secretions from accessory digestive organs such as the pancreas, liver, and gallbladder.

Detailed explanation-2: -Mechanical digestion begins in your mouth with chewing, then moves to churning in the stomach and segmentation in the small intestine. Peristalsis is also part of mechanical digestion.

Detailed explanation-3: -The large pieces of food that are ingested have to be broken into smaller particles that can be acted upon by various enzymes. This is mechanical digestion, which begins in the mouth with chewing or mastication and continues with churning and mixing actions in the stomach.

There is 1 question to complete.