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SOUTHWESTERN CHRISTIAN SCHOOL LIFE SCIENCE STUDY GUIDE # 26 - HUMAN ANATOMY - ENERGY THE DIGESTIVE SYSTEM LEARNING OBJECTIVES 1. STUDENTS WILL BE ABLE TO IDENTIFY AND EXPLAIN THE PURPOSE OF THE MAJOR COMPONENTS OF THE BODY’S DIGESTIVE SYSTEM 2. STUDENTS WILL BE ABLE TO IDENTIFY AND EXPLAIN SOME COMMON MALFUNCTIONS OF THE BODY’S DIGESTIVE SYSTEM ________________________________________________________________________________ INTRODUCTORY CONCEPTS : 1. “ DIGESTION ” 1. “ MECHANICAL DIGESTION ” - 2. “ CHEMICAL DIGESTION ” - 2. “ ASSIMILATION ” 3. “ DIGESTIVE SYSTEM ” - 1. “ ALIMENTARY GROUP ( CANAL ) ” - 1. 2. 3. 4. 5. “ PERISTALSIS ” - 2. “ ACCESSORY GROUP ” - STRUCTURES OF THE DIGESTIVE SYSTEM > THE MOUTH : 1. “ SALIVARY GLANDS ” - “ SALIVA ” - 2. 1. “ INCISORS ” - 2. “ CANINES ” - 3. “ PREMOLARS ” - 4. “ MOLARS ” - ******************************************************************************** SHORT SUBJECT VIDEO > THE START OF THE DIGESTIVE SYSTEM 1. DIGESTION BEGINS IN THE __________________ WITH THE ______________ , _____________________ , AND ____________________ 2. THE TEETH GRIND UP FOOD AND THAT IS THE ________________________ DIGESTION OF THE MOUTH 3. SALIVA IS RELEASED FROM THE __________________ ___________________ AND THAT BEGINS THE ______________________ DIGESTION OF THE MOUTH 4. A BALL OF FOOD THAT HAS STARTED TO BE DIGESTED IS CALLED A _______________________ ******************************************************************************** STRUCTURES OF THE DIGESTIVE SYSTEM > THE STOMACH : 1. 2. 3. “ CHYME ” - ******************************************************************************** SHORT SUBJECT VIDEO > THE STOMACH 1. IT TAKE ABOUT ____ SECONDS FOR FOOD TO MOVE DOWN THE ESOPHAGUS TO THE STOMACH 2. THE FOOD IS MOVED ALONG BY MUSCULAR CONTRACTIONS CALLED ________________________________ 3. THE STOMACH HAS A CAPACITY OF ____ TO ____ LITERS 4. THE STOMACH IS MADE UP OF THREE LAYERS OF _____________________ 5. THE MECHANICAL DIGESTION OF THE STOMACH CHURNS TO AID THE CHEMICAL DIGESTION BEING PERFORMED BY THE ENZYME ______________ AND HYDROCHLORIC ___________________ 6. THE STOMACH’S WALLS ARE PROTECTED BY ___________________ ******************************************************************************** STRUCTURES OF THE DIGESTIVE SYSTEM > THE SMALL INTESTINE : 1. “ VILLI ” - 2. STRUCTURES OF THE DIGESTIVE SYSTEM > THE LIVER : 1. 2. 3. 4. “ BILE ” - STRUCTURES OF THE DIGESTIVE SYSTEM > THE PANCREAS : 1. 2. ******************************************************************************** SHORT SUBJECT VIDEO > SMALL INTESTINE , LIVER , AND PANCREAS 1. AFTER ABOUT ____ TO ______ HOURS , THE FOOD ENTERS THE SMALL INTESTINES 2. THE FOOD IS NOW CALLED __________________ 3. THE SMALL INTESTINE IS ABOUT ____ CENTIMETERS IN DIAMETER AND ABOUT ___ METERS ( ______ FEET ) IN LENGTH 4. THE LIVER PRODUCES _____________ WHICH IS A _____________ SOLUTION THAT BREAKS DOWN _______________ 5. _________________ IS STORED IN THE _____________ ____________________ 6. THE PANCREAS PRODUCES PANCREATIC JUICES AND SODIUM BICARBONATE WHICH _____________________ THE ACIDITY OF THE CHYME FROM THE STOMACH 7. FOOD TAKES UP TO ______ HOURS TO BE DIGESTED IN THE SMALL INTESTINES ******************************************************************************** STRUCTURES OF THE DIGESTIVE SYSTEM > THE LARGE INTESTINE : 1. 2. 3. “ FECES ” - ******************************************************************************** SHORT SUBJECT VIDEO > THE LARGE INTESTINE 1. TRUE OR FALSE > SCIENTISTS BELIEVE THAT THE APPENDIX HAS SOMETHING TO DO WITH FIGHTING BACTERIA AND VIRUSES ? 2. THE LARGE INTESTINES HAS A DIAMETER OF 6.5 CENTIMETERS AND IS ONLY _______ METERS LONG 3. MOST OF THE WATER REMAINING IN DIGESTED FOOD IS ABSORBED IN THE LARGE INTESTINES OVER ______ TO _______ HOURS 4. BACTERIA IN THE LARGE INTESTINES PRODUCE HELPFUL ________________ ******************************************************************************** DISORDERS OF THE DIGESTIVE SYSTEM : 1. “ MUMPS ” 2. “ HEARTBURN ” 3. “ CIRRHOSIS OF THE LIVER ” - ******************************************************************************** FACETS OF THE HUMAN BODY > APPENDICITIS - PAGE # 468 1. WHAT SEEMS TO BE THE FUNCTION OF THE APPENDIX DURING CHILDHOOD AND EARLY ADULTHOOD ? 2. DESCRIBE WHAT CAUSES APPENDICITIS ? ******************************************************************************** FACETS OF THE HUMAN BODY > PEPTIC ULCERS - THAT BURNING SENSATION - PAGE # 470 1. DESCRIBE AN “ ULCER ” : 2. DESCRIBE A “ PEPTIC ULCER ” : 3. WHAT ARE THE TWO THINGS THAT CAN CAUSE A PEPTIC ULCER ? 1. 2. 4. DESCRIBE TWO SYMPTOMS OF PEPTIC ULCERS : 1. 2. 5. DESCRIBE TWO WAYS THAT GOD HAS DESIGNED THE HUMAN BODY TO PREVENT DEVELOPMENT OF ULCERS : 1. 2. 6. NAME THREE WAYS THAT ARE USED TO TREAT ULCERS : 1. 2. 3.