How the Circulatory and Cardiovascular Systems work. What is the importance and what does it do as you age? - take the quiz

What is the main function of the circulatory system?
Transporting oxygen and nutrients to cells
Regulating body temperature
Removing waste products from the body
Controlling muscle movement
Which of the following is NOT a component of the cardiovascular system?
Heart
Blood vessels
Lungs
Blood
What is the average resting heart rate for adults?
60-100 beats per minute
80-100
100-120
150-200
 
Which blood vessels carry oxygenated blood away from the heart?
Arteries
Veins
Capillaries
Venules
Which chamber of the heart receives oxygenated blood from the lungs?
Left atrium
Right atrium
Left ventricle
Right ventricle
What is the medical term for high blood pressure?
Hypertension
Hypotension
Cyanotic
Hyperthermia
Which of the following is NOT a risk factor for cardiovascular disease?
Smoking
Obesity
Healthy diet
Napping
What is the purpose of valves in the heart?
To prevent backflow of blood
To regulate heart rate
To produce red blood cells
To control blood pressure
Which type of blood vessel has the thinnest walls?
Capillaries
Arteries
Veins
Venules
What is the role of red blood cells in the circulatory system?
Carrying oxygen
Fighting infections
Regulating blood pressure
Removing waste products
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