Listening to the heart during sex

This too has three cusps which close with the pressure of the blood flowing back from the aorta. Within seconds after birth, a flap of tissue known as the septum primum that previously acted as a valve closes the foramen ovale and establishes the typical cardiac circulation pattern. The left vessel joins with this third vessel, and travels along the pulmonary artery and left atrium, ending in the inferior tracheobronchial node. In this figure, the blue and red colors represent blood inflow and outflow not venous and arterial blood. When the ventricle relaxes blood flows back into the ventricle from the artery and this flow of blood fills the pocket-like valve, pressing against the cusps which close to seal the valve. These muscles prevent the valves from falling too far back when they close.

Listening to the heart during sex


The interatrial septum separates the atria and the interventricular septum separates the ventricles. Like the right atrium, the left atrium is lined by pectinate muscles. This creates tension on the chordae tendineae, helping to hold the cusps of the atrioventricular valves in place and preventing them from being blown back into the atria. This distinction is visible also on the surface of the heart as the coronary sulcus. The intercalated discs allow the cells to act as a syncytium and enable the contractions that pump blood through the heart and into the major arteries. These are the left main coronary artery and the right coronary artery. The left vessel joins with this third vessel, and travels along the pulmonary artery and left atrium, ending in the inferior tracheobronchial node. Heart valves With the atria and major vessels removed, all four valves are clearly visible. These nerves act to influence, but not control, the heart rate. They are generally much smaller than the contractile cells and have few myofibrils which gives them limited contractibility. By the end of the fifth week the septa are complete and the heart valves are completed by the ninth week. As the heart chambers contract, so do the papillary muscles. This places the chambers and major vessels into the correct alignment for the developed heart. These cusps are also attached via chordae tendinae to two papillary muscles projecting from the ventricular wall. The left ventricle pumps blood to the body through the aortic valve and into the aorta. Because the heart is between the lungs , the left lung is smaller than the right lung and has a cardiac notch in its border to accommodate the heart. In this figure, the blue and red colors represent blood inflow and outflow not venous and arterial blood. It is made up of a lining of simple squamous epithelium , and covers heart chambers and valves. The left main coronary artery splits shortly after leaving the aorta into two vessels, the left anterior descending and the left circumflex artery. The pulmonary valve lies between the right heart and the pulmonary trunk. Within seconds after birth, a flap of tissue known as the septum primum that previously acted as a valve closes the foramen ovale and establishes the typical cardiac circulation pattern. The pulmonary valve is located at the base of the pulmonary artery. Similarly, the left atrium and the left ventricle together are sometimes referred to as the left heart. The left atrium has an outpouching called the left atrial appendage. The tough outer surface of the pericardium is called the fibrous membrane. Between the right atrium and the right ventricle is the tricuspid valve.

Listening to the heart during sex

Video about listening to the heart during sex:

Heartbeats 2





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4 thoughts on “Listening to the heart during sex”

  1. It is continuous with the endothelium of the veins and arteries of the heart, and is joined to the myocardium with a thin layer of connective tissue.

  2. Heart development and Human embryogenesis Development of the human heart during the first eight weeks top and the formation of the heart chambers bottom.

  3. A double-membraned sac called the pericardium surrounds the heart and attaches to the mediastinum.

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