16 Questions
Where are the taste buds located to taste the food?
On the tongue
What is the length of the human alimentary canal?
9 meters
What is the function of the buccal cavity?
To mix food with saliva and soften it
What is the main function of the lips in the buccal cavity?
To help in sipping and sucking liquid
What is the function of the digestive glands in the digestive system?
Storing digestive juices
What is the main function of the tongue in relation to food?
Manipulating and lubricating food for easier chewing and swallowing
Where are the teeth located in the buccal cavity?
Partially embedded in the bony sockets of jaw bones
Which glands secrete mucus to keep the tongue moist?
Mucous glands in the cheek lining
What is the main function of the uvula during swallowing?
Guarding the opening of the trachea
What is responsible for the peristaltic movements that push food down the oesophagus?
Muscular wall contractions
What is the main function of the stomach in relation to food?
Aiding in digestion of proteins and small amounts of fats
Which part of the small intestine is about 25 cm long and C-shaped?
Duodenum
What is the function of sphincter muscles in the digestive system?
Contracting to close openings in the digestive tract
What is the length of the small intestine?
~6.25 metres (~20 feet)
What is the main function of the salivary glands?
Secreting saliva in the buccal cavity for easier swallowing
What do mucous glands produce to moisten and lubricate the lining of oesophageal tube?
Mucus
Test your knowledge about the organs associated with digestion, the process of breaking down food into small molecules, and the absorption of nutrients by the body. This quiz covers the structure of the human alimentary canal and its divisions, as well as the functions of the digestive glands.
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