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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 10
Describe the difference between open and closed circulatory systems.
Describe the role of valves in the 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 blood is never truly blue.
Name the blood vessels that carry blood away from the heart.
A patient has a blood pressure reading of 150/95 mmHg. Is this considered normal? (Yes/No)
Calculate the cardiac output if the heart rate is 70 beats per minute and the stroke volume is 70 mL per beat.
What is the average lifespan of a human red blood cell? (1) 10 days (2) 120 days (3) 365 days (4) 7 days
What is the normal pH range of human blood? (1) 6.8–7.0 (2) 7.35–7.45 (3) 7.8–8.0 (4) 6.0–6.5
Which blood group is known as the universal donor? (1) A (2) B (3) AB (4) O
Which chamber of the human heart receives deoxygenated blood from the body? (1) Left atrium (2) Right atrium (3) Left ventricle (4) Right ventricle
Fill in the blank: The fluid that surrounds the cells and provides them with nutrients is called __________ fluid.
Fill in the blank: The iron-containing pigment in red blood cells is called __________.
Fill in the blank: The process by which blood cells are produced in the bone marrow is called __________.
Fill in the blank: The process by which white blood cells engulf and destroy bacteria is called __________.
A patient has a blood pressure reading of 150/95 mmHg. Is this considered normal? (Yes/No)
True or False: Lymph is a type of body fluid that helps in the transport of fat and immune cells.
True or False: The left ventricle has thicker walls than the right ventricle.
True or False: The pulmonary vein carries oxygenated blood from the lungs to the heart.