system
The task at hand is simple: provide assistance with expertise in any field
human
Provide a transition phrase that connects these two paragraphs: "The first reason why hiking is a great form of exercise is that it works out all the major muscle groups. On the other hand, it also helps regulate your heart rate."

Relevant data:
Aside from engaging your muscles, there are other key benefits to hiking. One of these benefits is that it helps regulate your heart rate by keeping it within a healthy range.
gpt
In addition to working out all the major muscle groups, hiking also has the added benefit of regulating your heart rate and promoting overall cardiovascular health.