What are considered the fundamental building blocks of the body?

Cells are considered the fundamental building blocks of the body because they are the smallest unit of life that can carry out all essential life processes. Each cell functions independently and can replicate itself, contributing to growth, repair, and maintenance of tissues and organs. Cells combine to form tissues, which in turn combine to form organs, and those organs work together within systems to perform complex functions necessary for survival. Understanding that cells are the basic unit of structure and function in living organisms is crucial in fields like biology and healthcare because it lays the foundation for comprehending how the body operates at a microscopic level. This knowledge is essential for healthcare professionals, including CNAs, as it impacts their understanding of anatomy, physiology, and the care provided to patients.