MCQ
Lungs are an important organ for excretion of:
- AWater.
- BUrea.
- COxygen.
- ✓Carbon dioxide.
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Column $I$
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Column $II$
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| $A$ | Phallomere | $i.$ | Chain of developing ova |
| $B$ | Gnopore | $ii.$ | Bundles of sperm |
| $C$ | Spermatophore | $iii.$ | Opening of the ejaculatiry duct |
| $D$ | Ovarloles | $iv.$ | The external genotalia |
$I.$ blood drained from a convenient artery and anticoagulant is added (heparin)
$II.$ removal of nitrogenous waste from blood
$III.$ blood is passed through a coiled porous cellophane membrane of tube bathing in dialysis fluid $IV.$ blood is mixed with anti heparin and passed into vein
Arrange the steps