Heart - 2

Hint

Answer

What is the name for the 'tissue' that gives the inner surface of the right auricle its ridged effect?

What is the name for the ridge that seperates the original fetal atrium from the extended adult one?

The pacemaker of the heart can be found in the upper end of this, what is its name?

What is the name for the muscles that are used to prevent the valves in the heart from prolapsing?

What attatches them to valves?

Hint

Answer

What is the medical term for a ventricular contraction?

What is the name for the structures that make ventricular muscle ridged?

Which is the only valve in the heart to only have two cusps?

What is the name for the fetal shunt between the pulmonary artery and the aorta?

What is released from the lungs after birth that helps lead to closure of it?