Question

Describe the internal structure of human heart 2

Answer 1

Explanation:

Internal Structure of the Heart

Recall that the heart’s contraction cycle follows a dual pattern of circulation—the pulmonary (lungs)and systemic (body) circuits—because of the pairs of chambers that pump blood into the circulation. In order to develop a more precise understanding of cardiac function, it is first necessary to explore the internal anatomical structures in more detail.

The word septum is derived from the Latin for “something that encloses;” in this case, a septum (plural = septa) refers to a wall or partition that divides the heart into chambers.

Valves of the Heart: the septum between the atria and ventricles is known as the atrioventricular septum. It is marked by the presence of four openings that allow blood to move from the atria into the ventricles and from the ventricles into the pulmonary trunk and aorta. Located in each of these openings between the atria and ventricles is a valve, a specialized structure that ensures one-way flow of blood. The valves between the atria and ventricles are known generically as the tricuspid (right side)and the bicuspid (left side) valve. The valves at the openings that lead to the pulmonary trunk and aorta are known generically as the pulmonary and the aortic valve.

Structures of the Heart

the top panel shows the image of the heart with the major parts labeled. The bottom left panel shows a photo of the heart with the surface layer peeled off. The images on the bottom right show detailed musculature inside the heart.

This anterior view of the heart shows the four chambers, the major vessels, and their early branches as well as the valves.

Answer 2

The human heart is divided into four chambers :-

1. Right Auricle - This part is filled with de oxygenated blood which comes from the different parts of body through veins.
2. Left Auricle - This part is filled with oxygenated blood that comes from the lungs through Pulmonary Veins.
3. Right Ventricle - This is the part just below the right auricle and this is filled with the de oxygenated blood which is passed to it from the Right Auricle, the de oxygenated blood is transported to the lungs through the Pulmonary Arteries from here.
4. Left Ventricle - This part is filled with the oxygenated blood which is passed to it from the Left Auricle, the oxygenated blood is send to other body parts through Arteries from here.

Septum :- This is a partition between the Right and Left side of the heart and its function is to stop the mixing of oxygenated and de oxygenated blood.

Valves :- Valves are also present in the heart between the chambers to stop the back flow of blood to it.

!!!!!!!! Mark as brainliest !!!!!!!!