Understanding the Components and Functions of Blood

The video tutorial explains the components of blood, including plasma, red and white blood cells, and platelets, detailing their functions. Plasma transports substances, red blood cells carry oxygen, white blood cells fight infections, and platelets aid in clotting. The tutorial also covers calculating blood flow rates using examples.

What is the primary function of plasma in the blood?

• To carry oxygen to body cells

• To transport substances around the body

• To produce antibodies

• To help in blood clotting

Which characteristic of red blood cells enhances their ability to absorb oxygen?

• Presence of a nucleus

• Biconcave shape

• Ability to produce antitoxins

• Production of antibodies

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

• Carrying nutrients

• Defending against infection

• Transporting oxygen

• Clotting blood

How do platelets contribute to the body's defense mechanism?

• By producing antibodies

• By starting the blood clotting process

• By carrying oxygen

• By transporting hormones

If the rate of blood flow through an artery is 400 ml per minute, how much blood flows through in 5 minutes?

• 2500 ml

• 500 ml

• 1000 ml

• 2000 ml