Circulatory System Quiz: Can You Follow the Path of Blood?

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  • Questions: 10
  • Last Updated: 05 Sep, 2025
  • Attempts: 3
  • liked by 100%
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Circulatory System Quiz: Can You Follow the Path of Blood?

Your heart pumps blood through thousands of miles of blood vessels every second, bringing oxygen and nutrients to every part of your body. Without this system, your brain wouldn't be able to think, your muscles wouldn't be able to move, and your organs wouldn't be able to live. The circulatory system is a superhighway that never closes—it operates 24/7. But do you know how blood really moves through your heart, lungs, and body? Let's find out if you can follow the path of life itself.

Which part of the blood carries oxygen to the body?

  • White blood cells

  • Platelets

  • Plasma

  • Red blood cells

Which side of the heart pumps oxygen-rich blood to the body?

  • Right side

  • Both sides equally

  • Neither side

  • Left side

Where does the blood pick up oxygen in the body?

  • Lungs

  • Stomach

  • Brain

  • Kidneys

What color is oxygen-rich blood usually shown as in diagrams?

  • Green

  • Blue

  • Red

  • Yellow

What is the liquid part of blood called?

  • Plasma

  • Water

  • Hemoglobin

  • Sweat

Which blood vessels carry blood away from the heart?

  • Arteries

  • Veins

  • Capillaries

  • Nerves

What is the main job of the circulatory system?

  • To help us breathe

  • To pump blood and deliver oxygen

  • To digest food

  • To control thoughts

What happens to the heart when it beats?

  • It fills with food

  • It fills with and pumps out blood

  • It stops moving

  • It makes air flow

What happens when arteries get blocked?

  • You feel sleepy

  • You grow taller

  • You may have a heart attack

  • You breathe faster

Which organ works as the “pump” of the body?

  • Lungs

  • Brain

  • Heart

  • Kidneys

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