Functions of Blood and Blood Cells

The video tutorial explains the components and functions of blood, a fluid tissue in the body. Blood is composed of plasma, red blood cells, white blood cells, and platelets. Plasma serves as a transport medium, while red blood cells carry oxygen and remove carbon dioxide. White blood cells are crucial for immune defense, and platelets play a key role in blood clotting. The tutorial also covers the methods to study blood composition and the importance of each component in maintaining health.

What is the primary function of blood in the circulatory system?

• To regulate body temperature

• To digest food

• To produce hormones

• To transport oxygen and nutrients

What percentage of blood is composed of plasma?

• 75%

• 65%

• 55%

• 45%

Which component of blood is primarily responsible for transporting nutrients and waste products?

• Platelets

• Red blood cells

• White blood cells

• Plasma

What is the main role of white blood cells in the body?

• To transport oxygen

• To fight infections

• To carry nutrients

• To form blood clots

Which type of blood cell is nucleated and independently mobile?

• Plasma cells

• White blood cells

• Red blood cells

• Platelets

What protein gives red blood cells their color?

• Globulin

• Albumin

• Hemoglobin

• Fibrinogen

What is the shape of red blood cells?

• Biconcave disk

• Irregular

• Cuboidal

• Spherical

What is the primary function of red blood cells?

• To fight infections

• To form blood clots

• To transport oxygen and carbon dioxide

• To produce antibodies

What is the main function of platelets?

• To carry nutrients

• To form blood clots

• To fight infections

• To transport oxygen

What protein is involved in the clotting process by forming fibrils?

• Hemoglobin

• Fibrinogen

• Globulin

• Albumin