Upper Parts of Body Right Lung Left Lung RA LA RV LV Lower Parts of Body

Upper Parts of Body Right Lung Left Lung RA LA RV LV Lower Parts of Body

Right Pulmonary Artery Superior Vena Cava Left Pulmonary Artery Right Pulmonary Artery Aorta Right Pulmonary Vein Left Pulmonary Vein Inferior Vena Cava

Pulmonary Circulation CO2 O2 Gas Exchange CO2 O2 Gas Exchange

CO2 O2 Systemic Circulation CO2 O2

Circulation of Blood in Our Body CO2 O2 Circulation of Blood in Our Body CO2 O2 Gas Exchange CO2 O2 Gas Exchange CO2 O2

Pulmonary Circulation Pulmonary circulation adds _____________ and removes _____________ from the blood. Blood returning to the heart from the body tissues is low in oxygen and high in carbon dioxide. This blood enters the _____________ and flows into the _____________. This chamber of the heart pumps it through the _____________ arteries to the lungs. These are the only _____________ that carry _____________ blood. All other _____________ carry _____________ blood. As the blood travels through the capillaries in the lungs, it gains _____________ and gets rid of _____________. The pulmonary capillaries merge into pulmonary veins. These veins carry the _____________ blood to the _____________ of the heart. The _______________ are the only _____________ that carry oxygen-rich blood. All other _____________ carry oxygen-poor blood. oxygen carbon dioxide right atrium right ventricle pulmonary arteries oxygen-poor arteries oxygen-rich oxygen carbon dioxide oxygen-rich left atrium pulmonary veins veins veins

Systemic Circulation From the _____________ the blood enters the _____________. Systemic circulation begins in the _____________ of the heart. From here the blood is pumped into the _____________. It branches forming arteries that serve all parts of the body. The arteries divide into arterioles an finally into _____________. These tiny blood vessels are the sites for _____________ and _____________ exchange between the blood and body cells. Capillaries merge to form veins. These veins finally return the blood to the heart. The largest veins of the body are: the _________________ which returns blood from the upper parts of the body, and ________________ which returns blood from the lower parts of the body. left atrium left ventricle left ventricle aorta capillaries oxygen carbon dioxide superior vena cava inferior vena cava