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Human Digestive System
Rating: 3.4 out of 5(10 ratings)
1,014 students

Human Digestive System

Digestive System
Created byKomal Nikumbh- Mahajan
Last updated 2/2021
English

What you'll learn

  • Student will learn the function of the digestive system, and differentiate between organs of the alimentary canal and accessory digestive organs.
  • List and define the major processes occurring during digestive system activity.
  • Describe the gross and microscopic anatomy and the basic functions of the mouth, teeth, pharynx, small intestine, large intestine, liver, gallblader, pancrease, stomachand esophagus.
  • Understand the composition and functions of saliva, and explain how salivation is regulated.
  • They can differentiate clearly between deciduous and permanent teeth.
  • Know the cell types responsible for secreting the various components of gastric juice and indicate the importance of each component in stomach activity.
  • Understand the gastric secretion
  • Students will learn the end products of protein, fat, carbohydrate, and nucleic acid digestion.

Course content

7 sections • 18 lectures • 1h 28m total length

  • Introduction of Digestive System3:06

    Explore the digestive system and gastrointestinal tract from mouth through esophagus, stomach, small intestine, including liver, pancreas, gall bladder, and salivary glands, with secretions and enzymes driving digestion and absorption.

Requirements

  • Biology & Zoology

Description

  • The digestive system is a group of organs that work together to convert food into basic energy and nutrients to nourish the entire body.

  • Digestion is a complex process involving specialized anatomical and physiological adaptations for the absorption of nutrients.

  • Its purpose is to prepare food for use by cells and organs throughout the body.

  • Because large food particles cannot reach cells, the process of digestion breaks the food down into nutrients that can be absorbed into the blood stream and carried to any cell in the body.

  • The methods of digestion are mechanical and chemical.

  • Each segment of the digestive system has a special design to perform a unique function that is an essential part of the digestive process.

  • Digestion begins in the mouth and is completed at the anus.

  • As food moves through the digestive tract, it passes through several compartments.

  • Accessory organs that produce digestive enzymes drain their contents into the compartments at different points along the way.

  • Each compartment and accessory organ serves a specific function.

  • At each stage, the food is transformed into a slightly different form that allows it to be passed along to the next compartment.

  • As it moves through the digestive tract, nutrients and water are extracted, producing waste.

  • The waste products are eventually eliminated.

  • Food passes through a long tube inside the body known as the alimentary canal or gastrointestinal tract (GI tract).

  • The alimentary canal consists of the oral cavity, pharynx, esophagus, stomach, small intestine and large intestine.

  • In addition to the alimentary canal, there are several important accessory organs that help your body digest food but are not traversed by food.

  • Accessory organs of the digestive system include teeth, tongue, salivary glands, liver, gallbladder and pancreas.

Who this course is for:

  • FYBPharmacy, HSC, Nursing, CBSC Students

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