Anatomy and physiology of heart pdf
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Chapter The Cardiovascular System: The Heart The heart is composed of cardiac muscle, an involuntary muscle tissue that is found only within this organ. It is called a closed system because the blood is contained within the heart and blood vessels at all time and blood always flows in a forward direction. CPR. The position of the heart in the torso between the vertebrae and sternum (see Figure for the position of the heart within the thorax) allows for individuals to apply an methodical understanding of how the heart works is key to understanding what can go wrong with it. The term cardiac (as in cardiology) means related to the heart” and comes from the Greek word kardia, for heart. It has a four-chambered, double pump and is located in the thoracic cavity between the lungs Capillaries organs Overview. arterioles. Arteries. Name: Date: Anatomy of the Heart Word Bank Pulmonary vein x2 Pulmonary valve Pulmonary artery Aorta Aortic valve Inferior vena cava Mitral valve Left The circulatory system, sometimes called the cardiovascular system, consists of the heart, blood vessels, and blood. This chapter outlines the anatomy, physiology, and pathophysiology of the heart, linking the micro and macroscopic structure of cardiac muscle fiber to its function during contraction and relaxation. This first article in a two-part series covers anatomy and physiology, and Anatomy of the Heart. The properties of cardiac muscle cells and the process of contraction at a cellular level are also described Describe the internal and external anatomy of the heart; Identify the tissue layers of the heart; Relate the structure of the heart to its function as a pump; Compare systemic circulation to pulmonary circulation; Identify the veins and arteries of the coronary circulation system The Cardiovascular System: The Heart – Anatomy & Physiology. In general, stroke volume correlates with the force of ventricular contraction. It picks up waste products generated by metabolic processes Stroke volume is defined as the volume of blood pumped out by one ventricle with each beat. The The average human adult has litres of blood repeatedly cycled throughout the body in a closed circulatory system.