subject

Circulatory System

Biology ⇒ Human Biology

Circulatory System starts at 6 and continues till grade 12. QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Circulatory System. How you perform is determined by your score and the time you take. When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 9
A patient has a blockage in the coronary arteries. What part of the body is most directly affected?
A person has a blood pressure reading of 120/80 mmHg. What does the 120 represent?
A person is experiencing shortness of breath and fatigue. Their doctor suspects a problem with the left ventricle. Explain why this could cause these symptoms.
Describe the difference between systemic and pulmonary circulation.
Describe the path of blood flow through the heart, starting from the right atrium.
Explain the role of hemoglobin in the circulatory system.
Explain why regular exercise is beneficial for the circulatory system.
Explain why the left ventricle has a thicker wall than the right ventricle.
Name the blood vessels that carry blood away from the heart.
What is the main function of red blood cells?
What is the main function of the valves in the heart?
What is the name of the largest artery in the human body?
What is the normal resting heart rate range for a healthy teenager (in beats per minute)?