When we exercise, there are many things happening inside our body that we can't see. Just like how a cake needs different ingredients to become delicious, exercise needs different parts too. Some of these special parts are like heart health, strong muscles, and feeling good in our brains. By listening to our podcast network talk about exercise in a fun and intelligent way, we can learn more about these secret ingredients and make our exercise even better. So it's like finding a hidden treasure chest full of new ideas and ways to have fun while improving our life!