The sinu-auricular valve occurs in which of the following locations?
- AIn the sinus venosus
- BIn the edges of the sinu-auricular aperture
- CIn the truncus arteriosus
- DAt the auriculo-ventricular aperture
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Similar Questions
The most common site for a fatal occlusion leading to myocardial infarction is:
Medium
View SolutionMatch the valves of the human heart in column $I$ with the respective opening they guard in column $II$ and select the correct option.
Column $I$ Column $II$ $i$. Eustachian valve $a$. Opening of pulmonary aorta $ii$. Thebesian valve $b$. Left atrioventricular aperture $iii$. Mitral valve $c$. Opening of inferior vena cava $iv$. Semilunar valve $d$. Opening of coronary sinus
| Column $I$ | Column $II$ |
| $i$. Eustachian valve | $a$. Opening of pulmonary aorta |
| $ii$. Thebesian valve | $b$. Left atrioventricular aperture |
| $iii$. Mitral valve | $c$. Opening of inferior vena cava |
| $iv$. Semilunar valve | $d$. Opening of coronary sinus |
Which of the following chambers of the human heart has the thickest wall?
Easy
View SolutionMatch the following columns:
Column-$I$ Column-$II$ $a$. Superior Vena Cava $p$. Carries deoxygenated blood towards the lungs $b$. Inferior Vena Cava $q$. Carries oxygenated blood away from the lungs $c$. Pulmonary Artery $r$. Brings deoxygenated blood from lower body parts to the right atrium $d$. Pulmonary Vein $s$. Brings deoxygenated blood from upper body parts to the right atrium
| Column-$I$ | Column-$II$ |
| $a$. Superior Vena Cava | $p$. Carries deoxygenated blood towards the lungs |
| $b$. Inferior Vena Cava | $q$. Carries oxygenated blood away from the lungs |
| $c$. Pulmonary Artery | $r$. Brings deoxygenated blood from lower body parts to the right atrium |
| $d$. Pulmonary Vein | $s$. Brings deoxygenated blood from upper body parts to the right atrium |
Medium
View SolutionIn humans,an artificial pacemaker is implanted due to defects in:
Medium
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