Blood cell in biology

Hello everyone, and welcome to today's biology lesson. When we think of blood, we often envision a vibrant red fluid coursing through our veins. But have you ever wondered what makes up this life-sustaining liquid? The answer lies in the remarkable world of blood cells. These microscopic entities are the building blocks of our circulatory system, each with its own unique characteristics and functions. Today, we'll embark on a journey to understand the definition of blood cells and explore some fascinating examples.