health for a long time was considered as a state of body and mind where there was a balance of certain humours .....person with blackbile using thermometer disproved the good humour hypothesis of health (these line are written on the NCERT page 145 human health and disease please explain these lines)

Dear student

Please refer the solution below for the said query

Dear student,
Given below is the explanation of the statement:-
Earlier it was believed that the person with good health consisted of four humors; blackbile, yellow bile, blood and phlegm, this is called the good humor hypothesis of health but later by the discovery of blood circulation by William Harvey by experimental methods and showing normal temperature of body using thermometer of a person with blackbile disproved the good humor hypothesis.

Hope this information clears your doubt about the topic.

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