Digestion Flashcards
Carbs give you
Energy
Fats do what?
Stop heat escaping your body
Proteins do what?
Help repair and grow muscels
Minerals and vitamins…
Keep you healthy
Fiber does what?
Keeps our intestines clean and healthy
Water does what
Dissolves things so it can they carried around
What is the test for fat?
Sample + 95% ethanol into water = cloudy emmision and positive result
What’s the test for starch?
Iodine goes blue purple black
What’s the test for glucose?
Benedict solution + sample in beaker around hot water turns positive orange
What’s the test for protein?
Copper sulphate + sodium hydroxide turns positive lilac.
Too much fat can cause
Heart disease
Too little food can cause
Anorexia
Lack of protein can cause
Kwashiorkor
Carbase eat starch molecule
Glucose molecules
Protease eat proteins
Amino acid molecules
Lipase eat fat molecule
Fatty acid and glycerol molecules
Vitamin A
Good eyesight and healthy skin
In A
Carrots milk butter
Vitamin B
Healthy nerves and growth
In B
Cereal beans egg yolk
Vitamin C
Tissue repair and disease resistance
In C
Orange lemon
Vitamin D
Strong bones and teeth
In D
Fish milk butter
Iron
Healthy red blood cells
In iron
Meat broccoli
Calcium
Strong teeth and bones
In calcium
Green veg and milk
Mechanically is
Chewing
Chemically is
Enzymes
What is absorption?
When small soluble molecules go through the walls of the small intestine and into egestion (when faeces are pushed out the anus)
Fun fact
About 60% of your faeces is dead bacteria
Mouth’s job
Chews food and contains enzymes
Ophaguss job
Long tube transporting food to the stomach
Stomachs job
Churns up the food
Acid is 1 to 2 pH!
Small intestines job
Contains about 1kg of bacteria
Large intestines job
Where water is removed to form a solid material called faeces
