*Alimentary Canal (remember in order )
1. Mouth
2. Oropharynx
3. Oesophagus
4. Stomach
5. Small Intestine
6. Large Intestine
" A muscular tube which extends from the mouth to the anus "
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*Accessory of Digestive System
1. Salivary Glands
2. Pancreas
3. Liver
4. Gallbladder
Structure of the Mouth
- Function of Mouth :
1. Breakdown food by chewing
2. Saliva mixed with food to form a moist ball (food bolus)
3. Salivary enzyme (beta-amylase) digest starch in food
- Salivary Glands > *3 types :
1. Parotid gland
2. Sublingual gland > below the tongue
3. Submandibular gland > below the jaw
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- Lined by mucous membrane
- Roof > Hard palate & Soft palate
- Uvula > Function : Prevent food from entering into the nasal cavity
- Tongue > Has taste buds, Has projection called papillae, Voluntary muscle that helps to swallow the food
- Teeth > Functions : For biting food into pieces & Grinding or chewing of food
Oropharynx
- Function : Passageway for the food
Oesophagus ( wind pipe )
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Biology Science 1
RandomThis is just my Biology notes for my studies in school. It might benefit you. If you have any questions or doubts, do comment down! Thank you!
