Muscular activities like running, involve many other forms of coordination. List them.

Explanation

### Step-by-Step Solution:

1. **Understanding Muscular Activities**: Muscular activities, such as running, involve not just the muscles but also various systems in the body that work together to facilitate the movement.

2. **Coordination of Breathing**: When engaging in activities like running, the breathing rate increases. This is essential as it allows for more oxygen to be taken in, which is necessary for energy production in the muscles.

3. **Heart Rate Increase**: Along with breathing, the heart rate also increases during muscular activities. This is important as it pumps more blood, which carries oxygen and nutrients to the muscles and helps remove waste products.

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