Across
- 7. Heart rate of a "couch potato"
- 9. CO = HR x _____
- 10. Type of nerve that decreases heart rate
- 11. Type of muscle that surrounds arterioles
- 13. _____ output: Volume of blood ejected from heart per min
- 16. Smooth muscle state in gut during exercise
- 19. During exercise blood flow to this type of muscle increases
- 20. Increase in HR causes decrease in ______ filling time
Down
- 1. Type of nerve that increases heart rate
- 2. Epinephrine causes a/an ______ in heart rate
- 3. _____ return: The volume of blood that can return into the heart
- 4. Stroke volume increases _____ % during exercise
- 5. At rest the _____ effect controls heart rate
- 6. Heart rate is controlled by these types of nerves
- 8. Causes an increase in cardiac output
- 10. A decrease in ___ of a tissue causes arterioles to dilate
- 12. Relaxed arterioles allow blood flow to ______ beds
- 14. Heart rate of a very fit athlete
- 15. Stroke volume is ______ in physically fit individuals
- 17. Interval that shortens with increased HR
- 18. Smooth muscle state in gut during rest