Cardiovascular system

What is the main function of the cardiovascular system?
Transporting oxygen and nutrients to the body's cells
Filtering waste products from the blood
Producing hormones for regulating body functions
Maintaining body temperature
Which of the following are components of the cardiovascular system?
Heart
Blood vessels
Lungs
Liver
Kidneys
What is the largest artery in the human body?
Aorta
Pulmonary artery
Coronary artery
Carotid artery
Which chamber of the heart receives oxygenated blood from the lungs?
Left atrium
Right atrium
Left ventricle
Right ventricle
What is the average resting heart rate for adults?
60-100 beats per minute
30-50 beats per minute
120-150 beats per minute
10-20 beats per minute
Which blood vessels carry oxygenated blood back to the heart?
Pulmonary veins
Coronary arteries
Aorta
Hepatic veins
Renal arteries
What is the medical term for a heart attack?
Which of the following factors can increase the risk of cardiovascular disease?
Smoking
High blood pressure
Regular exercise
Healthy diet
Stress
What is the purpose of the valves in the heart?
To prevent the backflow of blood
To regulate the heart rate
To produce red blood cells
To filter waste products
What is the medical term for high blood pressure?
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