'Intestinal phase' diaporamas de présentation

Chapter 23 Digestive System Lectures 9 & 10

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A&P II Final Exam Review Slides Cumulative Portion

A&P II Final Exam Review Slides Cumulative Portion. Spring 2012. Overview of Blood. Blood is what type of tissue?. Connective tissue. Functions transports vital substances (O 2 , waste) maintains stability of interstitial fluid distributes heat hemo stasis prevents infection.

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Chapter 21

Chapter 21. Digestion. About this Chapter. Overview of the digestive system & how it is organized How products are moved and the role of digestive secretions How and where food is broken down and absorbed How digestive wastes are concentrated and eliminated

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Digestive System

Digestive System. Digestion. Introduction Physical Digestion Chemical Digestion Hepatic Portal System. Digestive System: Overview. Figure 24.1. Digestive Process. Figure 24.2. Figure 15.3. Essential Activities of Digestion. Figure 24.3a, b. Digestive Process. Figure 24.2.

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Digestive System

Digestive System. Biology for Majors. Different Diets. Herbivores. Carnivores. Omnivores. Invertebrate Digestive System. (a) hydra and jellyfish medusa (b) nematode. Monogastric Digestive Systems.

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The Gastric Phase

The Gastric Phase. Storage Stomach stores food and controls its passage into the small intestine Digestion Stomach Chemical: Acid, enzymes, and signal molecules Mechanical Protection Stomach acid destroys many bacteria and other pathogens. Stomach protects itself w/thick mucus.

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The Gastric Phase

The Gastric Phase. Storage Stomach stores food and controls its passage into the small intestine Digestion Stomach Chemical: Acid, enzymes, and signal molecules Mechanical Protection Stomach acid destroys many bacteria and other pathogens. Stomach protects itself w/thick mucus.

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Neural and hormonal control

Neural and hormonal control. Cephalic phase. Brain activated by smell, sight, thought, taste of food. Neurons to salivary glands and gastric glands/stomach muscles Autonomic nervous system. Gastric phase. Stimulus: food in stomach Neural:

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Gastric Phase

Gastric Phase. 1. Anatomy of the stomach 2. Peristalsis 3. Stomach pH 4. Secretions (a) Hcl (b) pepsinogen (c) gastrin 5. Breakdown of protein 6. Ulcers. INTESTINAL PHASE (LARGE). 1. Anatomy (length and parts) 2. Functions (a) Water and ion reabsorption

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