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 Digestive System 40 Flashcards |
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What is the primary function of the digestive system? |
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To break down food into simpler, absorbable forms for energy and nutrients. |
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Which enzyme is responsible for digesting starch in the mouth? |
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Salivary amylase (ptyalin). |
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True or False: The oesophagus produces digestive enzymes. |
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False. The oesophagus does not produce digestive enzymes. |
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Which part of the small intestine is primarily responsible for nutrient absorption? |
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Ileum. |
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Riddle: I am the longest section of the small intestine, where nutrients are absorbed. What am I? |
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Ileum. |
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Fill in the blank: The ______ contains the liver, pancreas, and salivary glands. |
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Digestive glands |
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What is the role of bile in digestion? |
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To emulsify fats and neutralize acidic chyme from the stomach. |
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Which type of teeth are primarily used for grinding food? |
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Molars. |
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True or False: The liver is the smallest gland in the body. |
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False. The liver is the largest gland in the body. |
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What is the function of the cardiac sphincter? |
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To prevent backflow of food from the stomach to the oesophagus. |
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Which digestive juice is secreted by the pancreas? |
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Pancreatic juice. |
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Riddle: I am a soft tissue within a tooth, containing blood vessels and nerves. What am I? |
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Pulp. |
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Fill in the blank: The ______ is a pouch at the junction of the small and large intestines. |
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Caecum |
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What is the main purpose of peristalsis? |
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To move food through the digestive tract. |
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Which enzyme converts proteins into peptides in the stomach? |
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Pepsin. |
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True or False: The large intestine is primarily responsible for nutrient absorption. |
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False. The large intestine primarily absorbs water. |
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What type of teeth are found in adult humans for biting and cutting? |
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Incisors. |
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Riddle: I am the process of converting absorbed food into body tissues. What am I? |
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Assimilation. |
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Fill in the blank: The ______ secretes enzymes that digest carbohydrates, proteins, and fats. |
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Pancreatic juice |
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What is the primary component of saliva? |
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Water (99%) |
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