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The first is loudest during rest in a healthy person. http://img.medscape.com/pi/emed/ckb/clinical_procedures/79926-79933-1894036-2077859.mp3
What else can I help you with?
How many sounds are in the word Heart?
Two sounds
What is the meaning of the two sounds of the heart?
relaxation and contraction of the heart
What was the loudest man made noise?
The loudest man-made noise on record was the test of the Tsar Bomba, the largest nuclear bomb ever detonated by the Soviet Union in 1961. The blast produced a sound level of around 180 decibels, which is beyond the threshold of pain for humans and could be heard up to 1,000 miles away.
Why do you hear two heartbeats?
Because two different parts have to contract, one after the other, to produce a pulse. The first to contract are the atria at the top of the heart, and then the ventricles below that do the main pumping.
The heart sounds are due to?
The sounds in the heart are caused by the opening and closing of the ventricles. There are two sounds and they are called by the first heart sound (S1) and second heart sound (S2), produced by the closing of the AtrioVentricular valves and semilunar valves respectively.
What sounds does a 'healthy heart' make?
slow
What is the source of sound in your heart beat?
the sounds of the heart "LUBB-DUPP" are produced due to the sharp closure of the valves of the heart. the first sound is produced when the auricular-ventricular valve(bicuspid and tricuspid valve)closes. the second one is produced when the semilunar valves(pulmonary and aortic valves) close.
How is a heart beat produced?
The heart beat, also called heart sounds, is produced by the closing of the valves. The valves produce two sounds, known as lub-dub. The atrioventricular valve closing produces the first sound, or lub, and the semilunar valve closing produces the second sound, or dub.
Why is the mammalian heart- two hearts that beat as one?
Because one part beats to pump blood to the lungs and the other beats to pump blood to the rest of your body. They are really one heart with two sections.
What are the names of the two main sections of the heart?
The names of the two sides of the heart are the right heart and the left heart. The right heart is a low pressures pump that receives venous blood from the systemic circulation and pumps it to the lungs. The left heart is a high pressure pump which receives blood from the pulmonary veins and pumps it to the rest of the body via the aorta.
When heart sound is heard by stethoscope?
Heart sounds are heard through a stethoscope during the cardiac cycle, primarily due to the closing of heart valves. The two main sounds, "lub" (S1) and "dub" (S2), correspond to the closure of the atrioventricular valves and the semilunar valves, respectively. These sounds can be detected at various points on the chest, with distinct characteristics depending on the heart's activity and any underlying conditions. Proper auscultation techniques are essential for accurate evaluation.
Name the two large veins that carry blood back into the rest of the body?
Veins only carry blood away from the body and back to the heart. Arteries carry blood away from the heart. There are two main venae, the superior and the inferior venae cavae, that enter the heart carrying oxygen poor blood. Then the pulmonary artery carries that blood to the lungs, where it is oxygenated. The oxygenated blood then travels back to the heart via the pulmonary vein and then is pumped to the rest of the body through the aorta, the main artery leading to the rest of the body.
