Removal rate of carbon dioxide by lungs is approximately:

1. 125 ml/minute 2. 200 ml/minute
3. 280 ml/minute 4. 325 ml/minute
Subtopic:  Role of other Organs in Excretion |
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Sterols, hydrocarbons and waxes can be eliminated through:

1. Saliva 2. Sweat
3. Sebum 4. Tears
Subtopic:  Role of other Organs in Excretion |
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Regarding role of organs other than kidneys in excretion:
I: Our lungs remove approximately 200mL/minute of CO2
II: Liver secretes bile-containing substances like bilirubin, biliverdin, cholesterol, degraded steroid hormones, vitamins and drugs.
III: Sweat produced by the sweat glands is a watery fluid containing NaCl, small amounts of urea, lactic acid, etc.
IV: Sebaceous glands eliminate certain substances like sterols, hydrocarbons and waxes through sebum.

1. Only I, II and III are correct
2. Only I, III and IV are correct
3. Only II, III and IV are correct
4. I, II, III and IV are correct
Subtopic:  Role of other Organs in Excretion |
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Identify the incorrect statement:
1. Lungs remove large amount of carbon dioxide.
2. Sweat contains sodium chloride, small amount of urea and lactic acid.
3. Sebaceous glands eliminate sterols, hydrocarbons, and waxes.
4. Saliva does not eliminate any nitrogenous waste
Subtopic:  Role of other Organs in Excretion |
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The role of other organs in excretion includes the skin, which:
1. Excretes excess water and salts.
2. Produces bile to aid in digestion.
3. Filters blood to remove urea.
4. Secretes hormones to regulate blood pressure.
Subtopic:  Role of other Organs in Excretion |
 96%
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