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What events occur when the semilunar valves are open?
The semilunar valves are open when blood is being pumped by ventricular contraction. This event is called systole.
What does a healthy heart sound?
In healthy adults, there are two normal heart sounds often described as a lub and a dub, that occur in sequence with each heart beat. These are the first heart sound (S1) and second heart sound (S2), produced by the closing of the AV valves and semilunar valves respectively.
What sounds does a 'healthy heart' make?
slow
What is the sound of second heart sound?
The second heart sound (S2) is a short burst of auditory vibrations of varying intensity, frequency, quality, and duration. It has two audible components, the aortic closure sound (A2) and the pulmonic closure sound (P2), which are normally split on inspiration and virtually single on expiration. S2 is produced in part by hemodynamic events immediately following closure of the aortic and pulmonic valves. The vibrations of the second heart sound occur at the end of ventricular contraction and identify the onset of ventricular diastole and the end of mechanical systole.
What coordinates the beat of the heart and how does this occur?
the valves open and shut
What is the difference between simultaneous and parallel events?
Parallel events are similar events. Simultaneous events are events that occur at the same time. Both simultaneous and parallel events occur at different places.
What is the definition of sequence of events?
in order in which events occur.
When did these events occur?
They occurred then.
What do you call events that occur in a sequence?
You call them 'sequence of events'.
Do black tie events only occur on weekends?
* Generally black tie events occur on weekends, but, there are instances that they can occur during the evening anytime of the week.
What are events that cannot both occur in the same trail of an expierement?
Two events that cannot occur at the same time are called mutually exclusive. If two events are mutually exclusive what is the probability that both occur.
What are dispensing valves?
Dispensing valves are in-line valves for on-off service in dispensing liquids from storage containers. Flow will occur when the middle of the valve is pinched and will continue as long as finger pressure is maintained.
