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Human Health and Disease

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Biology

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Biology

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CBSE Gujarat Board Haryana Board

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Class 10 Class 12

The 'blue baby' syndrome results from

  • excess of chloride

  • methaemoglobin

  • excess of dissolved oxygen

  • excess of TDS (Total Dissolved Solids)


B.

methaemoglobin

The disease 'blue baby syndrome' result from methaemoglobin. The main cause of this disease are the nitrate fertilizers on soil which enter the human body through water and converted to nitrites by microbial flora of intestine. The nitrites combine with haemoglobin to form methaemoglobin causing methaemoglobinaemia in adults and blue baby syndrome in newly borne babies or infants.

The disease 'blue baby syndrome' result from methaemoglobin. The main cause of this disease are the nitrate fertilizers on soil which enter the human body through water and converted to nitrites by microbial flora of intestine. The nitrites combine with haemoglobin to form methaemoglobin causing methaemoglobinaemia in adults and blue baby syndrome in newly borne babies or infants.


List advantages of good health.

Healthy people are more efficient and productive. good health also brings prosperity and people live long. It also reduces infant and maternal mortality.

What is disease ?

Malfunctioning of one or more organs characterised by signs and symptoms is called disease.

What is health ?

It is a state of complete, physical, mental and social well being of a person.

What is the significance of ‘Typhoid Mary’ ?

Typhoid Mary was a Typhoid carrier who continued to spread typhoid for several years through food she prepared.

Name three important aspects to maintain good health.

(i) Balanced diet (ii) Personal hygiene and (iii) Regular exercise.