Biology - Single MCQs (Page 63)

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Q621. What is true about vein?...Q622. Wall of blood capillary is formed of?...Q623. Valves occur in?...Q624. Valves which allow blood from ventricles into arteries and not in opposite dire...Q625. Valve surrounding opening of coronary sinus is?...Q626. Valve present over left auriculo-ventricular opening is?...Q627. Value of cardiac output is?...Q628. Typical ‘lubb-dup’ sounds heard in heart beat are due to?...Q629. Trombocytes have a life of?...Q630. Tricuspid valve is present between?...