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Which valves in the heart are open during diastole?
During systole, both atrioventricular valves (tricuspid and mitral) are closed. The aortic valve is open. During diastole, both atrioventricular valves are open, and the aortic valve is closed.
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.
Control valves should always be in what position?
open
Do cuspid valves open into the aorta?
yes
List the valves of the heart and describe how they operate.?
DESCRIBE THE ACTION OF HEART VALVES. WHEN DO THEY OPEN AND CLOSE?
How many times per minute the heart valves open and close?
well it depense on the person. I would say about 12 times per minute.
How many times do the intake valves open per minute in a four stroke engine?
Trick Question! ...depends on the RPM the engine is running at.
How many time a minute does one of your AV valves open and close?
depends on the person
What causes the valves to open and close during the heart cycle?
By minute electrical singles produced by the heart itself to open and close the valves.
How many times do frog nostrils open in 1 minute?
54 times
How many times a fish open and close its mouth in a minute on aquarium?
70 - 120 times
At 3000 rpm how many times does each intake valve open in 1 minute?
At 3000 rpm (revolutions per minute), each intake valve would open and close 1500 times in one minute. This is because the intake valve opens once for every two revolutions of the engine, so at 3000 rpm, each valve would open 1500 times.
How does the number of time the nostrils open and close in one minute compare with the number of times the throat moves up and down in one minute?
The nostrils usually open and close about 20 times in one minute, whereas the throat moves up and down in synchrony with breathing, so it will move once for each breath taken. Therefore, the number of times the nostrils open and close in one minute would typically be more frequent than the number of times the throat moves up and down in one minute.
When are semi-lunar valves open?
Semilunar valves are open when the blood is being pumped. The AV valves are closed when the semilunar valves are open.
The purpose of a camshaft in an internal combustion engine is to?
Its purpose is to open the right valves at the right times.
When are superheater safety valves set to open?
after the main safety valves are open
How many times do frogs nostrils open and close in one minute?
Frogs typically open and close their nostrils about 4 to 8 times per minute when they are active. This process, known as buccal pumping, helps them breathe, especially when they are submerged in water. The frequency can vary based on the species and environmental conditions.
