Diet And Digestion Flashcards
what is protein used for
kids-rapid growth
Adults- repair and maintenance of cells
what is fibre used for
it’s stops constipation
What solution do use to test for sugar, and what is the colour change?
Benedict’s solution: it changes from blue-brick red
What solution do you use to test for protein, and what is the colour change?
biuret solution: it changes from a light blue colour to lilac/purple
what is the solution for starch and what is the colour change
iodine: it changes from brown/yellow to blue/black
What are the parts of the tooth and there description
Crown- the part of the tooth above the gum
Enamel- the outer surface of the tooth
Root- the part of the tooth below the gum
Dentine- the softer layer beneath the enamel
Pulp cavity- the cavity contains the nerves and blood vessels of the tooth
Cement&fibres- responsible for holding the tooth in the jaw
Nerves and blood vessels- provides feeling and nutrients
What is taking food into the mouth called
Ingestion
What is the removal of waste called
Egestion
Where does digestion begin and what enzyme is found there
Digestion begins in the money and the enzyme found there is amylase
What enzyme acts on starch
Amylase
What enzyme works on protein
Protease
What enzyme works on fat
Lipase
What is the movement through the oesophagus called
Peristalsis
The stomach contains which acid
Hydrochloric acid
What are the finger like projection which line the digestive system called and what is their function
Vili absorb nutrients
