the heart
where is your heart located in your chest?
The middle
what carries blood back to the heart?
veins
list 3 cardiovascular diseases
heart attack,stroke,heart failure
what is the largest artery in the body
aorta
one example of cardio
running
how much blood does your heart pump a day?
2,000 gallons
do arteries require valves?
no but veins do
what causes cardiovascular diseases?
buildup of fatty plaques in your arteries
function of pulmonary vein
collects oxygenated blood from lungs back to the heart
one benefit of cardio fitness
lowers blood pressure
how many miles of blood vessels are in your body?
60,000
list two types of veins
varicose and spider
list 3 ways to prevent these diseases
physical activity,manage stress, and sleep
function of aorta
carries blood away from your heart to the rest of your body
do runners have a higher or lower resting pulse rate?
lower
what animal can mirror a human heart rate?
a horse
what happens to veins when your temp rises
they expand
lists a symptom of heart attack
pain or discomfort
function of right atria
receives blood low in oxygen and empties blood into the right ventricle
how fast does cardio improve your oxygen consumption?
3-4 weeks
how many times does your heart beat a day?
about 115,000 times a day
how many layers does and artery have?
3
how much does heart disease cost the U.S every year
200 billion
function of inferior vena cava
carries blood from the legs,feet,and organs in the abdomen and pelvis.
how many muscles does the human body have?
650