The body is composed of a plurality of small parts which are called cells. Each cell is a separate living entity capable of replication, receiving different information, and managing their own metabolism. Although the cells function in a similar way, there are differences between them. Some cells, for example are specialized so that they are good at moving, while others are better at getting information.
Together with other cells that work the same way tissue cells, such as muscle and bone are built. Tissues are formed in turn such as the heart or the lungs. Together, tissues and organs form our body. Because the cells are different the body is as complex as it is.
– Humanity is composed by a large portion of diverse and interdependent individuals!