Transport System POINTS TO REMEMBER FROM PREVIOUS CLASS What is the function of the circulatory system? What is being circulated? WHY? What are the major structures of the circulatory system? TODAY’S FOCUS – HEART AND BLOOD VESSELS
body Aorta lungs Pulmonary Artery Vena Cava Pulmonary Vein Right Atrium Left Atrium Right Ventricle Left Ventricle blood flow
beating heart pulmonary artery (to left lung) aorta superior vena cava left atrium pulmonary artery (to left lung) semilunar valves pulmonary veins (from left lung) atrioventricular valve left ventricle thicker muscle of left ventricle descending aorta (to lower body) right ventricle inferior vena cava superior vena cava pulmonary artery (to right lung) pulmonary veins (from right lung) right atrium beating heart Figure taken from Biology, Life on Earth 10th Ed. Pearson
lung capillaries atria ventricle body capillaries Figure taken from Biology, Life on Earth 10th Ed. Pearson
capillary network arteriole venule cross section capillary valve smooth muscle connective tissue artery vein Figure taken from Biology, Life on Earth 10th Ed. Pearson
jugular vein aorta superior vena cava carotid artery lung capillaries pulmonary artery heart kidney femoral vein intestine inferior vena cava liver femoral artery