Answer:
Nervous System
Explanation:
The nervous system is the network of nerve cells and fibers which transmits nerve impulses from one part of the body to the other.
It performs the following functions:
1. It allows us to sense stimuli such as light, sound, smell, and touch from our environment.
2. Brain, a part of the nervous system combines various stimuli and helps to perform tasks such as recording memories and thinking.
3. It permits fast communication of stimuli within our body, including sensations of pain or illness.