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The closure of the Mitral and tricuspid valves causes us to hear the first heart sound or S1 (M1T1) while the closure of the aortic and pulmonary valves allows us to hear the second heart sound or S2 (A2P2).
Wiki User
∙ 11y ago
Wiki User
∙ 11y agoThe pressure of the heart being pumped...
If you were to pierce a living heart the blood would squirt 12ft it has that much pressure in it...
Wiki User
∙ 13y agoIt is caused by the veins in the heart open and close
Wiki User
∙ 14y agoHeart sounds are created by the relationship between the valves of the heart and the surface of the thorax.
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∙ 11y agoThe values in the heart. The "lub-dub" sound is from them closing.
Wiki User
∙ 11y agoBu bum, bu bum, bu bum
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∙ 14y agodupp-lub
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What part of the heart makes the heart sound?
It is caused by the veins in the heart open and close
What happens during the first stage of a heartbeat?
A heartbeat has two parts the first part in the flow of the blood into the heart. The second part is the flow of the blood out of the heart. That is why heart beat is a bub-bub sound.
Which part of our body tells our heart to beat?
The heart itself tells the heart to beat. It contains a small cluster of nerves that act as a biological "pacemaker".
What make the sound of the heartbeat?
Your heart is constantly is constricting and expanding which is what makes your blood flow. One part of the heart pumps in blood while the other part pumps out blood making a thud dud kind of noise.
Which part of the heart makes the heartbeat sound?
A heartbeat produces the familiar "LUB-DUP" sounds as the chambers contract and the valves close. The first heart sound, "lub," is heard when the ventricles contract and the atrioventricular valves close. This sound last longest and has a lower pitch. The second heart sound, "dub," is heard when the relaxation of the ventricles allows the semilunar valves to close.
Why does my throat have a heart beat Had my tonsils removed 5 days ago and now my throat has like a heart beat to it.?
Your entire body has a heart beat. The heart beat is your heart ... beating ... it is pumping blood to every part of your body. You just never paid attention to your body before evidently.
Which body part can identify the heart beat as a pulse?
wrists and neck
What makes up the largest part of the heart?
The left ventricle is the largest part of the heart. This ventricle is charged with pumping blood out of the heart.
What part of the nervous system that regulates heart beat digestion?
Parasympathetic division
What part of the heart makes the heartbeat sounds?
It is caused by the veins in the heart open and close
What part of the dove makes its cooing sound?
The crop, a sack in the throat which they pass air back and forth through makes the coo sound
Which part of your brain controls involuntary activities such as breathing and heart beat?
Brain stem.
