Question

what documents we performed to show the internal structure of heart​

Answer 1

Explanation:

The heart is divided into four chambers consisting of two atria and two ventricles; the atria receive blood, while the ventricles pump blood. The right atrium receives blood from the superior and inferior vena cavas and the coronary sinus; blood then moves to the right ventricle where it is pumped to the lungs.

Answer 2

Answer:

$The heart has four \\ chambers and is divided into \\ two sides, the left side and \\ right side, by a septum or \\ muscular wall. The left \\ side receives deoxygenated blood \\ of the body while the \\ right side receives oxygenated \\ blood. \\ </p><p>...</p><p> \\ Structure of The Heart \\ </p><p></p><p> \\ The outer epicardium. \\ </p><p></p><p>The middle myocardium. \\ </p><p></p><p>The inner endocardium.</p><p></p><p>$

${here \: is \: your \: answer}$