Human Body Fluids and Circulation

Biology ⇒ Human Biology

Human Body Fluids and Circulation starts at 9 and continues till grade 12. QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Human Body Fluids and Circulation. 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 blood pressure reading of 120/80 mmHg. What does the 120 represent?

Calculate the total number of heartbeats in one hour if the average heart rate is 75 beats per minute.

Describe the difference between open and closed circulatory systems.

Describe the function of platelets in the human body.

Describe the role of the pericardium in the human heart.

Explain the difference between pulmonary and systemic circulation.

Explain the role of valves in veins.

Explain why blood appears red in color.

Explain why the pulmonary vein is unique among veins.

Name the blood vessel that carries blood from the heart to the lungs.

What is the main function of hemoglobin in red blood cells?

What is the main function of white blood cells?