It is not at all shivering and whoever answered that has no idea at all what they are doing the answer is palpitations. I have personally experienced overheating and this is the most common trait.
Answer:
1. So that you have a goal you can try and do so you can have a healthy body
2. It probably has an app for that
3. by setting a timer to complete your goal
4. push ups, curl ups, jumping jacks
5. so you have a healthy fit body
Explanation:
hope this helps
