Digestive System

• These move food through the digestive system:  

  a)Enzymes  

  b)Mucous membranes  

  c)Smooth muscles   

  Smooth Muscles
• What flexible flap of tissue reflexively closes over the windpipe to prevent choking when we swallow? 

  Epiglottis  
• Food provides nutrients. Which includes carbohydrates, proteins, fats, minerals, vitamins and water.
• What is Propulsion? 

  The forceful movement of food from one organ to the next. 
• What are 4 things the stomach does for the digestive system?

  • Stores food  
  • Initiates protein digestion   
  • Prepares food into a liquid called chyme.   
  • Releases chyme into the small intestine gradually.   
• What does the Human body need nutrients for?  

  • Growth  
  • Maintenance  
  • Repair  
• How many layers of muscle does the stomach have, and why does it need this many layers of muscle?

  The stomach has three layers of muscle, and it needs these layers for churning, and mixing of food as it moves through the stomach.  
• What is the role of the large intestine?

  The large intestine absorbs water and other substances to dry out indigestible food residue to produce solid waste.   
• What is digestion?

  Digestion is the process of breaking down food into nutrients.
• What organs are apart of the Alimentary canal  

  • Mouth  
  • Pharynx   
  • Esophagus  
  • Stomach  
  • Small intestine  
  • Large intestine   
• Where does the digestion of carbohydrates begin?

  Mouth
• What is the main function of the digestive system? 

  Processing and absorption of nutrients, allowing the proper functioning of the body.
• Which organ produces bile?

  a)Liver 

  b)Stomach 

  c)Small Intestine 

  Liver
• Salvia is produced by 3 pairs of salivary glands, what are those 3? 

  • Parotid
  • Submandibular
  • Sublingual
• Peristalsis involves alternating waves of what?

  Contraction and relaxation that push food along the GI tract.
• Ingestion is the voluntary process of taking what into the body through the mouth?

  Food or Drink.  
• What are the Digestive system functions? 

  • Ingestion
  • Propulsion
  • Mechanical Digestion
  • Chemical Digestion
  • Absorption
  • Defecation
• Enzymes are what?

  Are proteins that speed up chemical reactions in the body. 
• What are all of the accessory organs? 

  • Salivary Glands
  • Teeth
  • Tongue
  • Pancreas
  • Liver
  • Gall Bladdar
• The forceful movement of food from one organ to the next?

  Propulsion
• involves alternating waves of contraction and relaxation that push food along the GI tract?

  Peristalsis