chapter 1 Flashcards
(35 cards)
1
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1.1 Nutrients in Food
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2
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De you feel hungry looking at the difterent types of food in the
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3
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photograph on the previous page? Feeling hungry isa sign a that ou
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4
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bodies need food. Our bodies depend on food to give us enetgy to
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move around and carry out mportant hte processes
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6
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Food provides us with:
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7
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energy to do work
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8
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bodies:
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of damaged cells;
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10
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the materials needed for the growth of new cells and the repar
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11
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diseases
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substances that our bodies need for health and resisting
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13
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carbotydrates
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14
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Food stores energy and contans nutnents which are essen:i
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15
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oRr bodies. The ditferent types of nutients in food may
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16
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classified as follows:
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17
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Tfats
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prote
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fibre
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and cary out the vital
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21
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Vitains.
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22
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functions in our
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23
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Amincals
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water.
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Carbohydrates
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Most Ivpes of food contain a mix of different nutrients. However.
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certain types of food are richer in particular nutrients than
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others.
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Carbohydrates supply our bodies with most of the energy that
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we need. Carbohydrates are compounds made up of the elements
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carbon
hydrogen and oxygen. Carbohydrates include sugars and
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complex carbohydrates. Sugars include simple sugars such as
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glucose and fructose
and complex sugars such as lactose (from
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milk)
maltose and sucrose (cane sugar). Cellulose
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up plant cell walls
and starch are complex carbohydrates.
