CHAPTER 4 THE CARDIOVASCULAR SYSTEM Superior vena cava Arch of aorta Right pulmonary artery veIns Hight pulmonary L eft atrium Right ventricle Lott ventricle Inferior vena cava
CHAPTER 4 THE CARDIOVASCULAR SYSTEM
Weight of the heart 300g M VeACH Work: 75/min, 1000e Pumenoty turk beats /day Cerda renee 35 million beats /year. 2.5 Integer cera aal billion beats /life 70ml/beat. 7200 1/day The work of the heart in one life is equivalent to lifting 30 tons to the Mount Everest The busy and hard working heart!
➢ Weight of the heart 300g ➢ Work: 75/min, 10000 beats /day ➢ 35 million beats /year, 2.5 billion beats/life ➢ 70ml/beat, 7200 l/day The work of the heart in one life is equivalent to lifting 30 tons to the Mount Everest The busy and hard working heart!
MAIN FUNCTIONS OF THE CIRCULATORY SYSTEM Transport and distribute essential substances to the tissues Remove metabolic byproducts Adjustment of oxygen and nutrient supply in different physiologic states Regulation of body temperature humoral communication
MAIN FUNCTIONS OF THE CIRCULATORY SYSTEM ➢ Transport and distribute essential substances to the tissues. ➢ Remove metabolic byproducts. ➢ Adjustment of oxygen and nutrient supply in different physiologic states. ➢ Regulation of body temperature. ➢ Humoral communication
Systemic and Pulmonary circulation e The McGraw-Hill Companies. inc Permission required for reproduction or display co。O Tissue Pulmonary capillaries Circulation to circulation tissues of head (to lungs Lung cO2 Lung capillaries 2 Systemic circulation (to body) Right side Left side of heart of heart Circulation Tissue capillaries to tissues of lower bod cO O
Systemic and Pulmonary Circulation
A Heart location in the chest F AO
A. Heart location in the chest