Question 1
Question
Match each system to its description: It introduces food into the body, and prepares and transforms it to enable its use by cells.
Question 2
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Match each system to its description: It obtains the necessary oxygen cells need and eliminates carbon dioxide produced during cell metabolism.
Question 3
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Match each system to its description: It transports nutrients and oxygen to cells and releases waste substances.
Question 4
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Match each system to its description: It releases waste substances outside the organism.
Question 5
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Match each system to its description: They detect nutritional needs as well as alterations in the internal organism; they activate relevant organs to provide us with nutrients and oxyegn; they coordinate the transportation of nutrients and oxygen to the tissues that need them and eliminate waste products that alter the internal equilibrium.
Question 6
Question
Complete: Nutrients, which are found in parts of [blank_start]food[blank_end], are complex [blank_start]mixtures[blank_end] of [blank_start]substances[blank_end] that our body has to [blank_start]transform[blank_end] in order to be able to use them.
Answer
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substances
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mixtures
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food
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transform
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mixtures
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food
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substances
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transform
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mixtures
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substances
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food
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transform
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this answer is incorrect
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food
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substances
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mixtures
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transform
Question 7
Question
Complete: multicellular organism need [blank_start]organs[blank_end], grouped in systems, to prepare and distribute [blank_start]nutrients[blank_end] to cells and [blank_start]release waste[blank_end] products generated by cellular activity.
Answer
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organs
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nutrients
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release waste
Question 8
Question
Complete: the gastrointestinal tract is about [blank_start]8[blank_end] metres long and its shape varies. It starts in our [blank_start]mouths[blank_end] and ends at our [blank_start]anus[blank_end].
Question 9
Question
Complete: an inner layer called a [blank_start]mucous membrane[blank_end] makes up the gastrointestinal tract. It's internally protected by a lubricant substances called [blank_start]mucus[blank_end] and it's surrounded by [blank_start]3[blank_end] musculares layers. When these layers [blank_start]contract[blank_end] they push food down the digestive tract.
Answer
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mucous membrane
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mucus
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3
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contract
Question 10
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Glands in the stomach produce intestinal juices and glands in the intestine secrete gastric juices.
Question 11
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Accessory glands are organs that discharge their secretions in the digestive system.
Question 12
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The accesory glands are:
Answer
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Digestive glands
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The liver
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The salivary glands
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The kidney
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The pancreas
Question 13
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Where are the salivary glands located?
Question 14
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Where is the liver located?
Question 15
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Where is the pancreas located?
Question 16
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The liver and the pancreas release secretions into the stomach.
Question 17
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Complete: digestion is the process by which [blank_start]foods[blank_end] are transformed into simples substances ([blank_start]nutrients[blank_end]), so they can be utilised by our [blank_start]cells[blank_end].