terms Flashcards
what is the definition of ingestion
it is the process in which food is taken into the body
what is the definition of digestion?
it is the chemical or physical breaking up of large insoluble food molecules into small soluble molecules to be absorbed into the bloodstream
what is the defintion of absorption?
it is the process where small and soluble molecules move from the lumen of the small intestine into the bloodstream of the intestine to be transported to the rest of the body
what is the definition of assimilation?
it is the process where absorbed food molecules are used to create new protoplasm or to release energy, done in the liver
what is the definition of egestion
it is the process where undigested food known as faeces or discharge is removed from the body via the anus
what is the definition of excretion>
it is the removal of discharge or unwanted substances out of the body, occuring at the kidneys and lungs
what is the definition of secretion?
it is the removal of useful substances from cells and organs due to excess, that occurs in the liver, glands and pancreas