Functions and Components of Blood

This lesson covers the composition and functions of blood. It explains the roles of red and white blood cells, plasma, and platelets. The functions of blood include transporting oxygen and nutrients, removing waste, preventing disease, and healing injuries. Activities are provided to reinforce learning.

What is the primary color of blood and why?

• Yellow, due to platelets

• Green, due to white blood cells

• Red, due to red blood cells

• Blue, due to plasma

Which component of blood is responsible for fighting diseases?

• Red blood cells

• White blood cells

• Plasma

• Platelets

What is the main function of plasma in the blood?

• Fighting infections

• Carrying oxygen

• Transporting nutrients and waste

• Clotting blood

What role do platelets play in the blood?

• Transporting oxygen

• Fighting infections

• Clotting blood

• Carrying nutrients

What is the purpose of Activity 1 in the lesson?

• To explain the importance of blood

• To list the functions of blood

• To describe the color of blood

• To identify blood components and their functions

How does blood help in regulating body temperature?

• By absorbing excess heat and releasing it through the skin

• By transporting oxygen

• By fighting infections

• By carrying nutrients

Which function of blood involves transporting waste products?

• Carrying nutrients

• Fighting infections

• Removing waste products

• Carrying oxygen

What is the main focus of Activity 2 in the lesson?

• Listing blood components

• Explaining blood color

• Discussing the importance of blood

• Describing blood functions

Which of the following is NOT a function of blood?

• Fighting infections

• Producing hormones

• Transporting nutrients

• Carrying oxygen

What is the significance of the summary section in the lesson?

• To list blood components

• To explain blood color

• To review the lesson's key points

• To introduce new concepts