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Human Body โ€” Circulatory System (heart chambers, blood vessels, blood components, blood groups)

Science ยท Grade 6 ยท Week 46 ยท 25 questions

The human body is an incredible system of organs working together. Understanding how your body systems function helps you appreciate the complexity of life and make better health choices.

What you'll practise

  • Identify major organs and their functions
  • Explain how body systems work together
  • Understand the structure of key body systems
  • Describe common health conditions and prevention
All 25 questions in this Human Body โ€” Circulatory System (heart chambers, blood vessels, blood components, blood groups) quiz

Grade 6 Science โ€” Human Body โ€” Circulatory System (heart chambers, blood vessels, blood components, blood groups): 25 practice questions with instant scoring and explanations.

  1. The human heart has _______ chambers.
  2. The two upper chambers of the heart are called:
  3. The two lower chambers of the heart are called:
  4. The right side of the heart receives blood from:
  5. The left side of the heart pumps blood to:
  6. Blood vessels that carry blood away from the heart are called:
  7. Blood vessels that carry blood back to the heart are called:
  8. The smallest blood vessels where exchange of materials takes place are:
  9. The main artery carrying blood from the heart to the body is the:
  10. The normal resting heart rate for an average adult is:
  11. Red blood cells are responsible for:
  12. White blood cells are responsible for:
  13. Platelets are responsible for:
  14. Plasma is the _______ component of blood.
  15. Blood group A has:
  16. Blood group AB is:
  17. Blood group O is:
  18. The Rh factor in blood is:
  19. A person with Rh positive blood has:
  20. Arteries are elastic and muscular because they:
  21. Veins have thinner walls than arteries because:
  22. The pulse can be felt at points where:
  23. Heart valves prevent:
  24. The ventricles have thicker walls than the atria because they:
  25. The coronary arteries supply blood to: