External Anatomy Of Heart

The shape of the heart is similar to a pinecone rather broad at the superior surface and tapering to the apex. Images and pdfs.

Chapter 19 The Circulatory System The Heart Ppt Download

External features of heart.

External anatomy of heart. The heart an image of the heart with blank labels attached. The lines of reflection between visceral and parietal pericardium form two pericardial sinuses the transverse pericardial sinus and the oblique pericardial sinus. The artery that directs blood from the heart to the lungs carries deoxygenated blood blood that has left its oxygen molecules in many cells so that it is now oxygen poor.

The circulatory system lower body image with blank labels attached. The transverse pericardial sinus lies anterior to the superior vena cava and posterior to the ascending aorta and pulmonary trunk. The walls and lining of the pericardial cavity are a special membrane known as the pericardium.

The right ventricle receives blood from the right atrium and pumps it to the lungs where it is loaded with oxygen. It supplies oxygen and nutrients to the tissues and removes carbon dioxide and other wastes. 12 cm 5 in in length 8 cm 35 in wide and 6 cm 25 in in thickness.

The heart has four chambers. The circulatory system upper body image with blank labels attached. A typical heart is approximately the size of your fist.

This cross section of the heart shows the right ventricle tricuspid valve left ventricle bicuspid mitral valve left atrium right atrium superior vena cava inferior vena cava aorta aortic valve papillary muscle chordae tendineae and trabeculae carneae. Heart anatomy external the endocardium and subendocardial tissue receive oxygen and nutrients by diffusion or microvasculature directly from the chambers of the heart. Name the artery that carries deoxygenated blood.

The human heart is an organ that pumps blood throughout the body through the circulatory system. The circulatory system a pdf file of the upper and lower body for printing out to use off line. The right atrium receives blood from the veins and pumps it to the right ventricle.

The external anatomy of the heart continued d. The remainder is supplied by the coronary vasculature which is primarily embedded in the pericardial fat on the surface of the heart and supplies predominantly the epicardium. Pericardium is a type of serous membrane that produces serous fluid to lubricate the heart and prevent friction between the ever beating heart and its surrounding organs.

The left atrium receives oxygenated blood from the lungs and pumps it to the left ventricle. The heart sits within a fluid filled cavity called the pericardial cavity. Shape and size of the heart.

The Heart Anatomy Physiology And Function