alleryCO2 in the human body is primarily excreted by the:
AKidneys (in urine)
BLungs (via exhalation)
CSkin (via sweat)
DLarge intestine (via faeces)
Answer & Solution
Correct answer: B. Lungs (via exhalation)
LUNGS excrete CO2 (and water vapour) via exhalation.
Kidneys excrete urea, water, salts, drugs.
Skin excretes water, salts, urea via sweat.
Large intestine excretes solid waste (mainly undigested food).
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