NUTRITION
DIGESTIVE SYSTEM
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
breaks down large food particles into smaller food particles that can be taken in by cells
|
|
|
breaks down large food particles into smaller food particles that can be taken in by cells
|
|
|
uses mouth esophagus and stomach to break down food by chewing and mashing
|
|
|
None of the above
|
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 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: -Answer and Explanation: An example of mechanical digestion inside the mouth is chewing. Mechanical digestion is the process of breaking food down into smaller pieces using physical means, like biting, mashing or tearing.