Answer: Foramen ovale
Reason: Foramen ovale allows the blood to pass from left atrium to the right atrium. This is one of the two foetal cardiac shunts. Foramen ovale allows the blood that still escapes to the right ventricle to bypass the pulmonary circulation.
Isabella asked the doctor how Matteo had managed to survive so far if blood was not...
LAB 3 Anatomy and Physiology II sides, preventing the mix- entricular valves are located be Part III: Internal Anatomy of the Heart A A wall like septum sparates the heart into right and left sides, preven b acklow ing of oxygenated and deoxygenated blood. A series of valves prevents in of blood as it moves through the heart. The atrioventricular valves are loca ween the atria and ventricles. The tricuspid valve lies between the right atrin the right ventricle: the...
Anatomy of the Heart 389 Right- ventricle - att ventricle Interventricular septum Entrance of inferior vena cava Cu surface ol wall pt night ventricie Fossa ovalis Peg in opening of coronary sinus Cusp of pulmonary valve Chordae tendineae Papillary Cusp of tricuspid valve muscle Wall of right ventricle (reflected) Moderator band Heart apex Figure 23.7 Right side of the sheep heart opened and reflected to reveal internal structures. Overview diagram illustrates the anatomical differences between the right and left ventricles....
The Heart 185 oventricular valve on the same side of the heart as the origin of the aorta is the a. aortic semilunar. c. mitral. b. tricuspid. d. pulmonary semilunar. 10. During atrial systole, all the following occur except a. deoxygenated blood passes into the right ventricle. b. oxygenated blood passes into the left ventricle. c. the ventricles are in diastole. d. the semilunar valves are open. 11. A major difference between atria and ventricles of the heart is that...
2. Name the three layers that make up the heart wall. 3. Of the two ventricles, which is more muscular? How does this difference correlate with its function? 57 4. Name the structures through which the blood flows in the following diagram: aorta, aortie semilunar valve, bicuspid valve,L. atrium, L. ventricle, pulmonary arteries, pulmonary semilunar valve, pulmonary trunk, pulmonary veins, R. ventricle, tricuspid valve, and vena cavae R. Atrium Heart chambers Heart valves Body cells Blood vessels Lungs 5. What...