Final answer:
A BAN is a wireless network that connects sensors to the human body for monitoring health and fitness-related data.
Step-by-step explanation:
A Body Area Network (BAN) is a type of Personal Area Network (PAN) that wirelessly connects sensors worn by, carried by, implanted in, or attached to a human body. BANs are typically used for monitoring health and fitness-related data. They allow for real-time data collection and communication between devices, providing valuable insights and improving healthcare. An example of a BAN is a smartwatch that tracks heart rate and sleep patterns.