Biology
Sweating is important

For improvement of normal health
To control the temperature of body
To excret the smell of body
To open the pore of skin

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Biology
Which one of the following statements regarding haemoglobin is correct?

Haemoglobin of RBC can carry only carbon dioxide
Haemoglobin is only used for blood clotting and not for carrying gases
Haemoglobin present in RBC can carry only oxygen but not carbon dioxide
Haemoglobin of RBC can carry both oxygen and carbon dioxide

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