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Understanding Factors Affecting Blood Flow in the Cardiovascular System

Discover how stress, exercise, and plaque buildup impact blood flow in the body. Learn which vessels transport blood from the heart to the rest of the body. Identify factors affecting cardiovascular health and how they influence overall well-being.

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Understanding Factors Affecting Blood Flow in the Cardiovascular System

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  1. SC.912.L.14.36 Describe the factors affecting blood flow through the cardiovascular system.

  2. Which of these transport blood from the heart to the rest of the body? • Veins • Arteries • Capillaries • Bronchial tubes

  3. Many factors affect blood flow throughout the body, including stress, exercise, and the buildup of plaque in the blood vessels. Which statement best describes how the buildup of plaque in blood vessels affects the body? • It widens blood vessels, causing a decrease in heart rate and depriving issues of the blood they need. • It narrows blood vessels, causing a decrease in heart rate and depriving some cells of the nutrients and oxygen they need. • It narrows blood vessels, causing the heart to work harder to move enough blood to cells that are in need of nutrients and oxygen. • It widens blood vessels, causing the heart to beat rapidly and exert a strong force on the walls of the blood vessels.

  4. A doctor determines that a patient has low blood flow. Which of the following can reduce the flow of blood through the cardiovascular system? • A buildup of plaque inside the blood vessels • An increase in heart rate due to exercise • A thinning of the blood due to medication • A feeling of stress due to danger or excitement

  5. Which of the following can interfere with blood flow throughout the body? • Moderate exercise • Reduction in heart rate • The narrowing of blood vessels • Normal blood cholesterol levels

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