Across
- 5. excess causes heart to become dilated and flaccid
- 8. ______ law/mechanism- the heart pumps what the heart gets
- 9. load against which the muscle exerts contractile force
- 10. transport of O2, transport nutrients, regulate body temp
- 12. state ____ exercise will dilate blood vessels
- 13. ____ exercise will cause increase in systole, mean and diastole with increase in Q
- 14. degree of tension on the heart muscle when it begins contraction
Down
- 1. ____ valves between atria and ventricles
- 2. _____ exercise will increase peripheral resistance to blood flow
- 3. ____ innervation, causes the release of epinephrine and norepinephrine
- 4. excess causes spastic contraction
- 5. _____ innervation, ACh released
- 6. thicker walled, stronger contraction
- 7. SA node -> AV node (pause) -> bundle of His -> R and L bundle branches -> Purkinje fibers
- 11. ____ period of cardiac muscle