bloods

Question 1

Describe and explain the role of white blood cells

Answer 1

• Immune system
• Kills microorganisms such as pathogens by either engulfing them
  Or creating antitoxins (specific to antigens)

Question 2

Describe and explain the role of blood plasma

Answer 2

Blood plasma is the liquid part of blood, made mostly of water. It transports nutrients, waste products, hormones, and proteins throughout the body. It helps maintain blood pressure, pH balance, and plays a role in immune response and clotting.

Question 3

Describe and explain the role of platelets

Answer 3

• Causes blood to clot to prevent blood loss
• Prevents infection as the clotting creates a barrier to prevent
  Pathogens from entering