1. CARDIOVASCULAR FITNESS
Chapter 7 NOTES
CARDIOVASCULAR FITNESS

2. IF YOU DON’T TAKE CARE OF YOUR BODY, WHERE WILL YOUR HEART LIVE?

3. Many of America's youngsters between the ages of 5 and 8 already show at least one heart disease risk factor: obesity, elevated cholesterol or high blood pressure. This is America's secret tragedy Arnold Schwarzenegger

4. The Cardiovascular System consists of
HEART
BLOOD VESSELS
BLOOD

5. Your Heart Muscle is … An INVOLUNTARY MUSCLE…
Your heart is not Controlled Voluntarily
Unlike your muscles that are VOLUNTARY Muscle tissue

6. The Respiratory system consists of
Lungs
Air Passages
The cardiovascular and respiratory system work closely together

7. In Your Lungs… Oxygen enters the bloodstream
Carbon dioxide leaves the bloodstream and enters the lungs

8. Blood is carried from the muscles to the heart by
VEINS

9. Blood is carried away from the heart to the rest of the body by
ARTERIES

10. Your heart Your heart has two ways to get more blood to your muscles
By Beating Faster
Pumping more blood with each beat

11. More blood with fewer beats
Compared to the Heart of a person who is less fit, a fit person’s heart pumps…
More blood with fewer beats

13. Cholesterol is
Is a fat like substance found in certain foods like dairy, red meat, and egg yolks
Blood requires a certain amount of fat

14. Cholesterol is carried through the bloodstream by
LIPOPROTEINS

15. Low Density Lipoprotein
(LDL)
Also known as BAD cholesterol 

16. High Density Lipoprotein
(HDL)
Known as healthy (good) cholesterol 

17. A Healthy Cardiovascular System Has…
A HIGH HDL Level And A LOW LDL Level

18. WHAT MAKES A HEALTHY CARDIOVASCULAR SYSTEM?

19. HOW LDL & HDL WORK!

20. Fibrin is A substance that helps the blood to clot
High amounts of fibrin are responsible for Atherosclerosis

21. Atherosclerosis
Is a Narrowing of the arteries

22. Regular Exercise helps reduce blood clots by …
Reducing FIBRIN in the blood

23. With Regular Exercise, your nervous system …
Lowers your Resting Heart Rate
BECAUSE
the heart pumps more blood with each beat!

24. AEROBIC ACTIVITY
Activity that is steady enough for the heart to supply oxygen needed to the muscles

25. WHAT ARE WAYS TO BUILD CARDIOVASCULAR FITNESS?

26. ANAEROBIC ACTIVITY Activity done in SHORT, FAST Bursts
It is so intense that your body cannot supply enough Oxygen to sustain it for long periods of time.

27. During Sprinting or Fast Swimming…
Muscles tire when they get too little oxygen

28. SO HOW MUCH IS ENOUGH???

29. National Guidelines state that…
Teenagers should engage in vigorous activity for at least 20 minutes, 3 or more times per week.

30. F.I.T. FORMULA FREQUENCY- 3 days a week
INTENSITY- 50% to 85% (target zone)
TIME- 20 to 60 continuous minutes

31. For Cardiovascular Fitness, moderate to vigorous exercise must elevate your heart rate…
Into the Target Fitness Zone

32. Sports that Bests Build Cardiovascular Fitness Require…
CONTINUOUS ACTIVITY

33. What are long-term benefits of engaging in physical activity?
Physical Activity helps to DEVELOP CARDIOVASCULAR FITNESS AND RESPIRATORY FITNESS