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 12

Calculate the cardiac output if the heart rate is 75 beats per minute and the stroke volume is 70 mL per beat.

Describe the function of the atrioventricular (AV) valves in the heart.

Describe the main difference between pulmonary and systemic circulation.

Describe the role of albumin in blood plasma.

Explain the role of platelets in blood clotting.

Explain the significance of the sinoatrial (SA) node in the human heart.

Explain the term 'double circulation' in humans.

Explain why the walls of the left ventricle are thicker than those of the right ventricle.

Explain why veins appear blue under the skin, even though deoxygenated blood is dark red.

Name the protein responsible for oxygen transport in red blood cells.

Name the valve that prevents the backflow of blood from the left ventricle to the left atrium.