science digestion Flashcards
what does mrs Gren stand for
movement, reproduction, sensitivity, growth, respiration, excretion, nutrition
two types of carbohydrates
starch and sugar
what are carbohydrates needed for
to provide energy
what are proteins needed for
to build and repair muscles
what are fats needed for
warmth and to store energy
what are some minerals in our diet
calcium and pottasium
why do we need calcium
to build and preserve bones
why do we need fibre
helps with excretion
what causes anaemia
lack of iron
what causes scurvy
lack of vitamin c
what causes kwashiorkor
protein
what causes rickets
vitamin D
what causes night blindness
vitamin A
what food treats scurvy
lemons and oranges
what food treats rickets
egg yolks and dairy
what chemical tests for protien and what colour does it turn
Biuret ,purple
what chemical tests for sugar and what colour does it turn
benedict,red green yellow
what chemical tests for starch and what colour does it turn
iodine, black
what is the job of the salivary gland
to produce saliva
what is meant by digestion
the process of breaking down and absorbing food
what is the job of the oesophagus
to push food into the stomach
what is the job of the stomach
to contain food and mix it with acid and enzymes
what is the job of the small intestine
to break down food and absorb nutrients
