Zoology Body Fluids and Circulation questions from NEET UG 2020.
Match the following columns and select the correct option. <table class="pyq-table"><tbody><tr><td></td><td>Column-I</td><td></td><td>Column-II</td></tr><tr><td>(a)</td><td>Eosinophils</td><td>(i)</td><td>Immune response</td></tr><tr><td>(b)</td><td>Basophils</td><td>(ii)</td><td>Phagocytosis</td></tr><tr><td>(c)</td><td>Neutrophils</td><td>(iii)</td><td>Release histaminase, destructive enzymes</td></tr><tr><td>(d)</td><td>Lymphocytes</td><td>(iv)</td><td>Release granules containing histamine</td></tr></tbody></table>
The QRS complex in a standard ECG represents: