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Define a balanced diet.
Why does an unbalanced diet lead to malnutrition?
List the 7 food types.
define digestion
define excretion
What is an enzyme?
Where is food-
a) physically
b) chemically
-broken down?
Label this picture:
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
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)
What is respiration?
Write the word equation for respiration.
