Digestive System of Human Being (Mouth and Buccal Cavity) - Life Process | Class 10 Biology

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Class: 10th
Subject: Biology
Chapter: Life Process
Topic Name: Digestive System of Human Being - Mouth and Buccal Cavity (1.7)
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Points covered in this video:-

Digestive System of Human Being:
Mouth -
It is the uppermost opening of the human digestive tract which gives passage for ingestion of food. It is guarded by two soft moveable lips which opens in the buccal cavity.

Buccal Cavity -
- It is the oral cavity bounded above by the palate. In humans, digestion begins in oral cavity where food is chewed.
- Saliva is secreted in large amount (1 - 1.5 litre/day).
- Saliva contain digestive enzyme salivary amylase which aids chemical breakdown of polysaccharide (Starch) into disaccharide (maltose).
- It also contain mucous which helps soften the food into a bolus.

Видео Digestive System of Human Being (Mouth and Buccal Cavity) - Life Process | Class 10 Biology канала Magnet Brains