EAP HW 22 – The Digestive System Define digestive tract Define accessory organs
ID: 79024 • Letter: E
Question
EAP HW 22 – The Digestive System
Define digestive tract
Define accessory organs
Provide the 6 functions of the digestive system
Define ingestion
Define mechanical processing
Define digestion
Define secretion
Define absorption
Define excretion
Provide the 4 layers of the digestive tract AND what types of tissue they are composed of
Define peristalsis
Provide the 3 functions of the tongue
Describe how the ingredients of saliva help breakdown food
Define salivary amylase
Provide the 4 types of teeth found in the human mouth AND their functions
Provide the 4 steps of the swallowing process
Define esophagitis
Provide the 2 types of cells found in gastric glands AND their functions
Define pepsin
Define cephalic phase
Define gastric phase
Define intestinal phase
Does absorption occur in the stomach? Explain.
Define circular folds
Define villi
Define microvilli
Define brush border
What organ is the above picture from?
Most of the important digestive processes are completed in the _________________________.
Define carbohydrases
Define lipases
Define nucleases
Define proteases
Provide the 3 general functional roles of the liver
Provide the function of bile salts
Define emulsification
Provide the function of the gall bladder
Define gallstones
Provide the standard screening test for colorectal cancer
Define diverticulosis
Define diarrhea and what causes it?
Define constipation, what causes it, and how do you prevent it?
Where does carbohydrate digestion begin?
Where does lipid digestion begin?
Where does protein digestion begin?
Define lactose intolerance
Explanation / Answer
Digestive Tract, also referred to as alimentary canal or gastrointestinal tract is the long continuous tube that extends from the mouth to the anuus and is a collection of organs that are responsible for converting food into energy.
Accessory organs are organs that are not part of the digestive tract but help in the process of conversion of food to energy and nutrients. These include tongue, liver, pancreas and several other organs.
The six functions of the digestive organs are as follows:
Ingestion, in humans, is the process of taking in food into the mouth. Ingestion in other animals can differ like simple phagocytosis in amoeba.
Mechanical processing, is the breaking of large particles of food into smaller ones by physical activity such as by cutting, chewing, grinding, grasping movement of the teeth and jaws.
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