Functions of the Digestive System
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
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What are the three main things that humans need to survive? | Water, Food and Oxygen
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What are the 5 nutrients that are provided by food? | Carbohydrates, Proteins, Lipids, Vitamins and Minerals
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What are carbohydrates? | Large Carbon Components that are the key fuel source for exercise.
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What are proteins? | Large Molecules made up amino acids. They build, maintain and replaced damaged tissues
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What are lipids? | Another word for fat. Fat is a component in food.
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What is the function of the esophagus? | Moves food from the throat to the stomach by contractions.
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What is the function of the stomach? | Stores the food and breaks it down with enzymes.
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What is the function of the small intestine? | The nutrients pass through the villi and goes into the bloodstream.
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What is the function of the large intestine? | To absorb nutrients, get rid of excess water and to get rid of the waste.
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What is the function of the rectum? | Short-term storage which holds faeces.
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What is the function of the liver? | Affects the digestive system by producing bile.
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What is the function of the gall bladder? | To store bile from the liver and release it into the small intestine.
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What is bile? | An alkaline fluid that aids in the digestion of fat and filters out toxins and wastes.
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What is the function of the anus? | Releases the faeces as waste.
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What is the function of the pancreas? | Makes chemicals that are used in the small intestines.
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What is the function of teeth? | They are used to bite and chew pieces of food into smaller pieces.
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What is the function of the tongue? | Rolls food into a bolus and pushes it to the back of the throat where it is then swallowed.
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What is the digestive system? | The process in which nutrients are extracted from the food that we eat.
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What are the two types of digestion? | Mechanical and Chemical.
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What is mechanical digestion? | When food is physically broken down.
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An example of mechanical digestion is... | Teeth biting and chewing food in the mouth
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What is chemical digestion? | When food is broken down through the excretion of fluids which trigger chemical reactions.
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An example of chemical digestion is... | In the stomach and the small intestines
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What are enzymes? | They are special chemical proteins which interact with the food we eat and split it into smaller pieces.
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What is the function of villi? | They aid with the extraction of the nutrients broken down in digestion. They transport the nutrients into the blood.
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What are villi? | They are finger-like projections of tissue that line the walls of the small and large intestines.
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