organisation (digestion) -CH3

epithelial tissues

skin, tissue that covers organs to protect them

digestion

breakdown of food particles so that they’re small enough to be absorbed into the blood

mouth

physical breakdown with tongue. teeth and amalayse

oesophagus

tube that carries out peristalsis during journey to stomach

liver

releases bile into the small intestine to emulsify lipids into smaller pieces

pancreas

organ that releases digestive juices to break down food and neutralises the chyme so enzymes don’t denature

small intestine

the small digested molecules are absorbed into the blood stream

large intestine

water is absorbed by blood leaving faeces

rectum

faeces stored here

anus

muscular ring through where faeces passes out

excretion

only things which pass through body like faeces

egestion

wastes the body makes like sweat and urine

benedict’s solution

blue solution turns red with glucose after heated, green with a small amount

iodine

orangey brown solutions turns blue black with starch

biuret solution

blue solution turns purple with protein

ethanol and water

lipids go cloudy white when mixed with this

simple carbs

simple sugar scalled monosaccharides which are used in respiration

proteins

made of amino acids, carbon, hydrogen, oxygen and nitrogen form tissues, enzymes and hormones

lipids

fats and oils which are a source of energy and form cell membranes, hormones and nerve cells

enzymes

biological catalysts, proteins

denature

active site changes shape