Statistics for Heart - 2

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Hint	Answer	% Correct
Which is the only valve in the heart to only have two cusps?	Mitral	100%
What is released from the lungs after birth that helps lead to closure of it?	Bradykinin	33%
What attatches them to valves?	Chordae tendinae	33%
What is the name for the ridge that seperates the original fetal atrium from the extended adult one?	Crista terminalis	33%
What is the name for the fetal shunt between the pulmonary artery and the aorta?	Ductus arteriosus	33%
What is the name for the 'tissue' that gives the inner surface of the right auricle its ridged effect?	Musculi pectinati	33%
What is the name for the muscles that are used to prevent the valves in the heart from prolapsing?	Papilary	33%
The pacemaker of the heart can be found in the upper end of this, what is its name?	Sinoatrial node	33%
What is the medical term for a ventricular contraction?	Systole	33%
What is the name for the structures that make ventricular muscle ridged?	Trabeculae carnae	0%