Module 3 : BIOD 151
Questions And Answers 2024
Graded A
Name the two main divisions of the digestive system organs.
The human digestive organs can be divided into those of the alimentary canal and the accessory
digestive organs.
Name the seven parts of the gastrointestinal tract.
mouth, pharynx, esophagus, stomach, small intestine, large intestine, and anus.
Name the six digestive system accessory organs.
teeth, tongue, gallbladder, salivary glands, liver and pancreas.
What structures respectively form these parts of the mouth?
a. Opening = Lipsb. Floor = Tonguec. Walls = Cheeksd. Roof = Hard/soft palates
List the two bones and the membrane to which the tongue is attached.
, The tongue is attached to the hyoid bone and the mandible and the membranous lingual frenulum.
How many teeth are there in an adult human and what do they do?
There are thirty-two teeth in the human mouth. Together they work to tear, crush and grind food to
mechanically digest food.
What are the four types of teeth, how many of each type are there and what does each type do?
The teeth are composed of two chisel-shaped incisors for biting; one
pointed canine for tearing; two fairly flat pre-molars for grinding; and
three flat molars for crushing.
What is the specific function of the salivary gland in the process of digestion?
Food is mixed and moistened with saliva (from the salivary glands) containing enzymes that begin the
process of chemical digestion by breaking down starches.
Where are taste buds located?
Taste buds are found primarily on the tongue but also on the surface of the mouth and the wall of the
pharynx.
Describe the function of the tongue in the digestive process?
The tongue grips the food, constantly repositions it between the teeth and forms it into a compact mass
which is pushed back to the pharynx to begin the process of swallowing.
What is a bolus?
Questions And Answers 2024
Graded A
Name the two main divisions of the digestive system organs.
The human digestive organs can be divided into those of the alimentary canal and the accessory
digestive organs.
Name the seven parts of the gastrointestinal tract.
mouth, pharynx, esophagus, stomach, small intestine, large intestine, and anus.
Name the six digestive system accessory organs.
teeth, tongue, gallbladder, salivary glands, liver and pancreas.
What structures respectively form these parts of the mouth?
a. Opening = Lipsb. Floor = Tonguec. Walls = Cheeksd. Roof = Hard/soft palates
List the two bones and the membrane to which the tongue is attached.
, The tongue is attached to the hyoid bone and the mandible and the membranous lingual frenulum.
How many teeth are there in an adult human and what do they do?
There are thirty-two teeth in the human mouth. Together they work to tear, crush and grind food to
mechanically digest food.
What are the four types of teeth, how many of each type are there and what does each type do?
The teeth are composed of two chisel-shaped incisors for biting; one
pointed canine for tearing; two fairly flat pre-molars for grinding; and
three flat molars for crushing.
What is the specific function of the salivary gland in the process of digestion?
Food is mixed and moistened with saliva (from the salivary glands) containing enzymes that begin the
process of chemical digestion by breaking down starches.
Where are taste buds located?
Taste buds are found primarily on the tongue but also on the surface of the mouth and the wall of the
pharynx.
Describe the function of the tongue in the digestive process?
The tongue grips the food, constantly repositions it between the teeth and forms it into a compact mass
which is pushed back to the pharynx to begin the process of swallowing.
What is a bolus?
