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O-LevelBiologyTransport in Humans5090/11 · Oct/Nov 2018 · Q191 Mark

Which organ excretes most carbon dioxide from the human body?

Akidney
Blung
Crectum
Dskin

✓ Correct answer

B: lung

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About this question

Topic
Transport in Humans, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source
O-Level Biology, Oct/Nov 2018 Paper 1 Variant 1, question 19.

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