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21 Questions

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blood and circulation

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Questions and Answers

What is the main function of the cardiovascular system?

To remove metabolic waste products from the body

To regulate blood pressure

To transport oxygen to tissues throughout the body (correct)

To produce blood cells

What is the term for the relaxation phase of the heartbeat?

Cardiac cycle

Heart rate

Diastole (correct)

Systole

What is the name of the layer of tissue that enables exchange of oxygen and nutrients between the blood and tissues?

Endothelial tissue (correct)

Myocardium

Pericardium

Endocardium

What type of blood vessels have valves to prevent backflow?

Veins Signup and view all the answers

What is the purpose of the Rh factor in blood?

To identify blood compatibility Signup and view all the answers

What is the name of the diagnostic procedure that uses sound waves to measure blood flow?

Doppler ultrasound Signup and view all the answers

What is the name of the major blood vessel that carries oxygenated blood from the heart to the rest of the body?

Aorta Signup and view all the answers

What is the term for the contraction phase of the heartbeat?

Systole Signup and view all the answers

What is the name of the layer of tissue that surrounds the heart?

Pericardium Signup and view all the answers

What type of blood vessels are strong and elastic, and carry blood away from the heart?

Arteries Signup and view all the answers

What is the primary function of erythrocytes?

To transport oxygen Signup and view all the answers

What is the process called when old red blood cells are destroyed?

Haemolysis Signup and view all the answers

What percentage of blood is composed of cells?

Two thirds Signup and view all the answers

What is the main function of basophil white blood cells?

To aid in allergic responses Signup and view all the answers

What is the purpose of the clotting process?

To conserve the body's supply of blood Signup and view all the answers

Which type of white blood cell is most common?

Neutrophil Signup and view all the answers

What is the function of platelets in blood?

To initiate clotting Signup and view all the answers

What is the name of the protein found in red blood cells that carries oxygen?

Haemoglobin Signup and view all the answers

Where do erythrocytes originate?

Bone marrow Signup and view all the answers

What is the term for the fluid part of blood?

Plasma Signup and view all the answers

What is the main function of neutrophil white blood cells?

To destroy microorganisms Signup and view all the answers