HUMAN NUTRITION

NUTRITION

DIGESTIVE SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
This organ collects food and churns it.
A
Small Intestine
B
Mouth
C
Stomach
D
Gallbladder
Explanation: 

Detailed explanation-1: -The stomach is a muscular bag and it churns the food to help break it down mechanically as well as chemically. The food is then squeezed through a second sphincter into the first part of the small intestine, called the duodenum.

Detailed explanation-2: -Ridges of muscle tissue called rugae line the stomach. The stomach muscles contract periodically, churning food to enhance digestion.

Detailed explanation-3: -Peristalsis. Peristalsis is the principal mechanism of movement in the oesophagus, although it also occurs in both the stomach and gut. Continuous segments of longitudinal smooth muscle rhythmically contract and relax.

There is 1 question to complete.