Final answer:
The C) brain is the largest and most complex nerve tissue in the body, responsible for controlling and coordinating bodily functions.
Step-by-step explanation:
The largest and most complex nerve tissue in the body is the C) Brain. The brain is the central organ of the nervous system and is responsible for controlling and coordinating all bodily functions. It receives and processes sensory information, initiates and coordinates movement, and regulates emotions and cognitive abilities.
The brain is composed of numerous specialized regions and structures, each serving a specific function. For example, the cerebral cortex is responsible for higher-order thinking and conscious experiences, while the cerebellum plays a crucial role in motor coordination and balance.
Overall, the brain is a complex and vital organ that controls and regulates the body's entire nervous system.