Yellow Fish2

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The human body is made up of approximately 37.2 trillion cells, each playing a unique role in maintaining overall health and well-being. These cells work together in harmony to perform various bodily functions such as movement, sensation, and regulation of the body's internal environment. The human brain, for example, is responsible for processing information from sensory receptors, controlling voluntary movements, and regulating various bodily functions such as heart rate and digestion. Additionally, the immune system plays a crucial role in protecting the body against pathogens and diseases by producing antibodies and activating white blood cells to fight off infections. Overall, the intricate balance of these systems allows humans to survive and thrive in a variety of environments.