. A civic biology : presented in problems. Biology; Sanitation. The heart is a force pump ; prove it from these diagrams. right auricle and ven- tricle, to the lungs, and passes it back to the left auricle. This is a relatively short circulation, the blood receiving in the lungs its supply of oxygen, and there giving up some of its carbon dioxide. The greater circulation is known as the systemic circu- lation; in this system, the blood leaves the left ventricle through the great dorsal aorta. A large part of the blood passes directly to the muscles; some of it goes to the nervous system, kidne
. A civic biology : presented in problems. Biology; Sanitation. The heart is a force pump ; prove it from these diagrams. right auricle and ven- tricle, to the lungs, and passes it back to the left auricle. This is a relatively short circulation, the blood receiving in the lungs its supply of oxygen, and there giving up some of its carbon dioxide. The greater circulation is known as the systemic circu- lation; in this system, the blood leaves the left ventricle through the great dorsal aorta. A large part of the blood passes directly to the muscles; some of it goes to the nervous system, kidneys, skin, and other organs of the body. It gives up its supply of food and oxygen in these tissues, receives the waste products of oxidation while passing through the capillaries, and returns to I. Circulation in a fish. G, gills; C, capillaries of the body. Notice the two- chambered heart. II. The circulation in a frog. L, the lungs; C, the capillaries. Notice the heart has three chambers. What is the condition of blood leaving the ventricle to go to the cells of the body ? III. The circulation in man. H, head ; A, arms; L, lungs; S, stomach ; Li, liver; K, kidney: , small intestine; , large intestine; Le, legs; 1, right auricle ; 2, right ventricle ; 3, left ventricle ; 4, left auricle ; 5, dorsal aorta ; 6, vein to Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Hunter, George W. (George William), 1873-1948. New York : American Book Company
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