Food and Digestion Flashcards
why are carbs and starch needed?
used by respiration to release energy
why are proteins and amino acids needed?
growth and repair
why are lipids needed?
used by respiration to release energy
why are vitamins needed?
needed to help enzymes and chemical reactions
why are mineral ions needed?
needed to help enzymes and chemical reactions
why is water needed?
to maintain its temperature, remove waste, and lubricate your joints
why is fibre needed?
helps to keep our digestive system healthy and helps to prevent constipation
what elements are in water?
hydrogen and oxygen
what elements are in amino acids?
oxygen, hydrogen, nitrogen and carbon
what elements are in carbs and starch?
oxygen, hydrogen, carbon
what elements are in lipids?
oxygen, hydrogen, carbon
function of mouth?
chewing, releasing saliva
oesophagus
swallowing
stomach
churns food to digest produces bile
liver
processes and detoxifies blood
produces bile
gall bladder
emulsifies fat
stores bile
neutralises stomach acid
pancreas
breaks down proteins, fats and carbs
makes insulin
small instestine
muscular tube
breaks down enzymes
absorb into blood
large intestine
muscular tube
peristalsis
waste starts as a liquid and ends as a solid
rectum
receives stool from the large intestines
anus
removes waste through faeces