Nervous systems have two main functions : to initiate and coordinate responses to the ........., and to maintain ........

Explanation

To answer the question regarding the two main functions of the nervous system, we can break it down into the following steps:

### Step-by-Step Solution:

1. **Understanding the Nervous System**: The nervous system is a complex network of nerves and cells that transmit signals between different parts of the body. It is responsible for coordinating actions and responses.

2. **Identifying the Functions**: The nervous system has two primary functions:
- **Initiate and Coordinate Responses**: This function involves responding to stimuli from the environment. The nervous system detects changes (stimuli) and coordinates appropriate responses.
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