Across
- 4. the highest rate of depolarization in the whole system. so it can start the beat and set the pace for the whole heart: thus the term.
- 6. the heart is enclosed in a double walled and it the outermost layer of the heart
- 9. Veins that provide superficial drainage on the lateral aspect of the arm and empty into the axillary vein
- 10. first sound caused by closing of Av Values
- 13. The only branches of the ascending aorta are
- 15. the pressure in the arteries at the peak of ventricular contraction
- 16. which is a branch of the systemic arteries that basically supplics all body tissues
- 17. Certain lipid-insoluble substances may enter or leave the blood and/or pass through the plasma membranes within vesicles, that is, by
- 19. the outermost tunic composed largely of fibrous connective issue, and it's function is basically to support and protect the vessel. called intristic conduction system of the heart
- 20. blood circulates inside the blood vessel,wich from a closed transport system, the so-called.
Down
- 1. enlarged vessel on the posterior of the heart called the
- 2. form an intricate network among the body’s cells such that no substance has to diffuse very far to enter or leave a cell
- 3. The vein that drains the posterior part of the head
- 5. the innermost layer of the heart and is a thin gluistening sheet of endothelium hat lines the heart chambers
- 7. Arteries that have 10 pairs innervate the wall muscles
- 8. what is another name for the left Av Value?
- 11. these valves are between the atrial and ventriales
- 12. another name for heart contractions
- 14. the volume of the blood pumped out by a ventricle with each heartbeat
- 18. with sign chemical, increases both heart rate and blood pressure