Quiz: Human Blood and Circulatory System

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What is the approximate total volume of blood in the human body?

10 to 12 litres

4 to 6 litres (correct)

2 to 3 litres

8 to 10 litres

Which of the following is NOT a function of blood?

Transporting oxygen from the lungs to the tissues (correct)

Transporting nutrients from the small intestine to the liver and other organs

Transporting carbon dioxide from the tissues to the lungs

Transporting waste products to the kidneys for excretion

What is the main difference between blood plasma and blood serum?

Blood plasma is responsible for the red color of blood, while blood serum is not

Blood plasma is the liquid part of blood, while blood serum is the solid part

Blood plasma is an aqueous solution, while blood serum is not

Blood plasma contains fibrinogen, while blood serum does not (correct)

Which of the following animals does not possess a circulatory system?

Sponges Signup and view all the answers

What is the main function of white blood cells (WBCs) in the body?

Defend the body against infections and diseases Signup and view all the answers

What is the main reason for the red color of red blood cells (RBCs)?

The presence of a protein called hemoglobin Signup and view all the answers

What is the primary role of hemoglobin in the blood?

To transport oxygen and carbon dioxide Signup and view all the answers

Which of the following statements about veins is correct?

Veins have valves that allow blood to flow in one direction Signup and view all the answers

What is the primary function of capillaries?

To exchange gases, nutrients, and waste products with body tissues Signup and view all the answers

Which of the following statements about arteries is incorrect?

Arteries are situated just under the skin Signup and view all the answers

What is the primary function of the circulatory system?

To transport blood from the heart to the body and back Signup and view all the answers

Which of the following is a component of blood?

All of the above Signup and view all the answers

Quiz: Human Blood and Circulatory System

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