The Structure of the Heart 0.0 / 5 ? Physical EducationAnatomy & physiologyASOCR Created by: [email protected]Created on: 15-04-17 17:12 1027345619 Across 1. The cardiovascular system refers to the heart, ....... ......... and the blood they contain (5, 7) 3. The heart has an ....... at the top (6) 6. The heart is divided into two sides separated by the ....... (6) 7. The left side of the cardiac muscle has a ........... muscular wall which can contract with more force to circulate oxygenated blood from the lungs to the muscle and organs (7) 9. Blood saturated with oxygen and nutrients such as glucose (10) Down 2. It is housed behind the ......... and ...... for protection (7, 3, 4) 3. Between the atria and ventricles lie ........-.............. valves (5, 11) 4. Between the ventricles and exiting blood vessels lie ....-..... valves which prevent the back flow of blood (4, 5) 5. At the core is the heart, a ..... ...... moving blood through two separate circuits (4, 4) 10. The heart has a ............ at the bottom (9)
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