What is a scab?

The video explains what a scab is and how it forms. It begins with an introduction to scabs, followed by a detailed look at blood under a microscope, highlighting the roles of red blood cells, white blood cells, and platelets. The video then describes how platelets help form a scab to stop bleeding and protect the wound, allowing new skin cells to grow and heal the cut. Once healed, the scab falls off, completing the healing process.

What is the role of red blood cells in the body?

How do white blood cells contribute to our health?

What happens when we cut ourselves and how do platelets respond?

Describe the process of how a scab helps in healing a cut.

What is the significance of a scab falling off after a few days?