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15 questions
Which type of blood cell is responsible for carrying oxygen?
What gives blood its red color?
Which blood cells protect the body from infection?
What is the primary function of platelets in the blood?
Which type of blood vessel carries oxygenated blood?
What happens to arteries as a person ages?
Which change is associated with aging in the cardiovascular system?
What is a risk factor for hypertension related to lifestyle?
Which symptom is commonly associated with hypertension?
What is the role of capillaries in the cardiovascular system?
Which of the following is NOT an age-related change in the cardiovascular system?
Why might the heart need more rest as a person ages?
Atherosclerosis contributes to hypertension primarily because it causes:
Which of the following is a recommended treatment for hypertension?
Which blood vessels are described as tiny and transfer food and oxygen into cells?