MCQ
Phylum coelenterata has remained at
- ACellular level of organisation
- BOrgan level of organisation
- ✓Tissue level of organisation
- DOrgan system level of organisation
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$I.$ 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