Food and Digestion ✔

Farha Idrees
Flashcards by Farha Idrees, updated more than 1 year ago
Farha Idrees
Created by Farha Idrees over 3 years ago
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Food and Digestions
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Question Answer
Define a balanced diet. a diet which contains different food types in the correct amounts
Why does an unbalanced diet lead to malnutrition? an unbalanced diet lacks one or more of the food types a person needs to keep healthy, therefore leading to malnutrition
List the 7 food types. -carbohydrates -protein -water -fibre -minerals -vitamins -fat
define digestion digestion: the process of breaking down and absorbing food
define excretion excretion: the process of getting rid of waste
What is an enzyme? special proteins that can break down large molecules into smaller ones
Where is food- a) physically b) chemically -broken down? a) in the mouth and stomach- by muscles contracting b) in the mouth, stomach and small intestines- by enzymes/acids
Label this picture: 0bba2b16-b18e-476a-bece-f69a983c38fb.jpg (image/jpg) a: mouth b: gullet c: stomach d: small intestine e: large intestine f: anus
Place in order: a) the small intestine further digests the food and absorbs it into the blood b) the waste is then passed through the anus c) the stomach breaks the food down physically and chemically d) food enters the mouth e) in the large intestine, water is absorbed to make the waste more solid f) the food is then swallowed and passes into the gullet, and is then passed onto the stomach d) food enters the mouth f) the food is then swallowed and passes into the gullet, and is then passed onto the stomach c) the stomach breaks the food down physically and chemically a) the small intestine further digests the food and absorbs it into the blood e) in the large intestine, water is absorbed to make the waste more solid b) the waste is then passed through the anus
Match this : a) 3300 (kJ) b) 15 500 (kJ) c) 8800 (kJ) with this : 1) 16-year-old girl 2) a baby 3) a labourer (man) 1c) the girl --> 8800 (kJ) 2a) the baby --> 3300 (kJ) 3b) the labourer --> 15 500 (kJ) = the amount of energy a person needs varies in their lifetime
What is respiration? the transformation of stored chemical energy into useful energy for the body
Write the word equation for respiration. glucose + oxygen = carbon dioxide + water
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