This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 375 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 375 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which is part of the circulatory system A) Kidney. B) Ears. C) Blood. D) None of above. Show Answer Correct Answer: C) Blood. 2. Blood is composed of liquid and solid cellular part. A) TRUE. B) FALSE. Show Answer Correct Answer: A) TRUE. 3. Plasma consists of ..... per cent water A) 90 per cent. B) 20 per cent. C) 50 per cent. D) None of above. Show Answer Correct Answer: A) 90 per cent. 4. We need ..... to stop from bleeding out. A) Red blood cells. B) White blood cells. C) Plasma. D) Platelets. Show Answer Correct Answer: D) Platelets. 5. What is the most numerous and dense molecule to be found within blood? A) Red blood cells. B) Buffy layer. C) Plasma. D) White blood cells. Show Answer Correct Answer: A) Red blood cells. 6. What are the products of cellular respiration? A) Glucose and Oxygen. B) Carbon Dioxide Water and Energy. C) Oxygen and Energy. D) None of above. Show Answer Correct Answer: B) Carbon Dioxide Water and Energy. 7. When is maximum blood pressure measured? A) Atrium dilation. B) Ventricular contraction. C) Ventricles dilate. D) Atrium contraction. Show Answer Correct Answer: B) Ventricular contraction. 8. Which level of organization are you at? A) Tissue. B) Organ. C) Organ System. D) Organism. Show Answer Correct Answer: D) Organism. 9. In this type of circulation blood passes through the heart twice to make one complete circulation in whole body. A) Single Circulation. B) Double Circulation. C) Pulmonary Circulation. D) Systemic Circulation. Show Answer Correct Answer: B) Double Circulation. 10. What is the gas called that must be transported through the circulatory system? A) Ethanol. B) Oxygen. C) Blood. D) None of above. Show Answer Correct Answer: B) Oxygen. 11. A(n) ..... circulatory system is found in invertebrates (insects and mollusks). A) External. B) Open. C) Basal. D) Closed. Show Answer Correct Answer: B) Open. 12. Which system makes sure that blood circulates and transports nutrients around the body? A) Skeletal System. B) Respiratory System. C) Nervous System. D) Circulatory System. Show Answer Correct Answer: D) Circulatory System. 13. What happens to your diaphragm when you inhale? A) It relaxes. B) It remains immobile. C) It contracts. D) It stays rigid. Show Answer Correct Answer: C) It contracts. 14. What are the thread like cords which connect atrio-ventricular valves to the papillary muscles? * A) Tendon chords. B) String ties. C) Bronchiole. D) Alveolae. Show Answer Correct Answer: A) Tendon chords. 15. The pulmonary circuit takes blood to the ..... and back to the heart A) Body. B) Head. C) Lungs. D) Toes. Show Answer Correct Answer: C) Lungs. 16. When evaluating the blood pressure of the heart and arteries, the force felt in the arteries when the ventricles contract is known as what? A) Arteriole Pressure. B) Systolic Pressure. C) Venous Pressure. D) Diastolic Pressure. Show Answer Correct Answer: B) Systolic Pressure. 17. Blood gets into the left ventricle through the ..... A) Pulmonary vein. B) Pulmonary artery. Show Answer Correct Answer: A) Pulmonary vein. 18. Which respiratory disorder causes the muscles around the bronchial tubes to tighten from time to time and restricts breathing? A) Pneumonia. B) Flu. C) Asthma. D) Cold. Show Answer Correct Answer: C) Asthma. 19. Agglutinogen A is..... A) Glycosyl transferase enzyme. B) Galactose enzyme. C) Galactic enzymes. D) Softness enzyme. Show Answer Correct Answer: A) Glycosyl transferase enzyme. 20. Why does your heart beat faster during exercise? A) Cells need more oxygen and blood. B) Cells need less oxygen and blood. Show Answer Correct Answer: A) Cells need more oxygen and blood. ← PreviousNext →Related QuizzesScience QuizzesCirculatory System Quiz 1Circulatory System Quiz 2Circulatory System Quiz 3Circulatory System Quiz 4Circulatory System Quiz 5Circulatory System Quiz 6Circulatory System Quiz 7Circulatory System Quiz 8Circulatory System Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books