Sharps_long_form

4.Draw an ECG wave form representing one heartbeat. ... 12.Trace the pathway of oxygen gas molecules from an alveolus of the lung to the right ventricle of the heart. ... simple observation whether bleeding is arterial or venous? If it spurts, it is arterial. It will flow evenly if it is venous blood. 17. You may sometimes observe a slight ... ................
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