1) Sarah is participating in a race and suddenly feels her heart pounding faster. What is happening to her circulatory system? a) Her blood vessels are constricting. b) Her blood pressure is decreasing. c) Her heart is pumping more blood to her muscles. 2) During a physical education class, Tom's teacher emphasizes the importance of regular exercise. How does exercise benefit the circulatory system? a) It weakens the heart and reduces blood flow. b) It causes blood clots to form. c) It strengthens the heart and improves blood flow. 3) During a science experiment, Mark measures his resting heart rate and finds it to be 80 beats per minute. What does this indicate about his circulatory system? a) His heart is not pumping enough blood. b) His blood vessels are constricted. c) His heart is pumping blood efficiently 4) Lola wants to keep her circulatory system healthy. Which of the following habits should she adopt? a) Eating a balanced diet b) Avoiding physical activity c) Smoking cigarettes 5) Sarah's grandmother has a blockage in one of her coronary arteries. What is the potential consequence of this blockage? a) Increased blood flow to the heart. b) Decreased blood flow to the heart. c) Increased blood flow to the brain. 6) During a physical education class, Darren's teacher emphasizes the importance of regular exercise. How does exercise benefit the circulatory system? a) It strengthens the heart and improves blood flow. b) It weakens the heart and reduces blood flow. c) It causes blood clots to form. 7) During a physical education class, students participate in a high-intensity workout. What happens to their heart rate during exercise? a) It stays the same b) It fluctuates randomly c) It increases 8) Susan is experiencing shortness of breath during physical activity. What could be the cause of her symptoms? a) High blood pressure b) Low blood sugar c) Blocked arteries 9) During a check-up, John's doctor measures his blood pressure and finds it to be 120/80 mmHg. What does this indicate about his circulatory system? a) His blood vessels are dilated. b) His blood pressure is within the normal range. c) His blood vessels are constricted. 10) During a health class, the teacher explains that smoking can damage the circulatory system. How does smoking affect the circulatory system a) It improves blood flow. b) It increases the number of red blood cells. c) It constricts blood vessels and reduces oxygen supply.

Understanding the Importance and Care for the Circulatory System

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