Health Test 1 Flashcards
Cardiorespiratory endurance is
The ability of the body to perform large muscle dynamic exvercise at moderate to high levels of intensity
Cardiorespiratory system
Picks up and transports oxygen, nutrients and other key substances to the organs and tissues that need them
Heart
A four chambered, fist sized muscle , pumps blood to heart, arteries carry it away from heart
Blood vessels
Classified under two headings. Veins carry blood to the heart, arteries carry it away
Respiratory system
Supplies oxygen to the body and carries off carbon. A waste product
Heart beats
At a rate of 50-90 beats a minute. It’s not good to have it high the muscle could wear out
Cardiac output
Combination of faster heart rate and greater stroke volume means the heart pumps and circulates more blood per minute. Five quarts of blood is circulated per minute at rest, but up to 20 quarts per minute during intense excercise
Blood flow
blood flow changes 15-20 percent of blood is distributed to the skeletal muscles, during intense exercise 85-90 % are delivered to working muscles
3 classes your body gets energy from
Carbohydrates, fats, and protein
What does protein do
Rebuilds body tissue and muscle
How many carbs for a normal diet
60 %
What is the job of Fat
Helps with immune system
A physically healthy lifestyle helps
Generates more energy Helps control weight Helps manage stress Most immune system Well being and confidence
Active lifestyle offers protection against
Heart Disease Diabetes type II Cancer High Blood pressure Depression Osteoporosis- brittle bones
US adults that do not engage in recommended physical activity
60%
35% are not active at all