During which one of the following exercise intensity levels would you still be able to sing

The exercises which use low heartbeat are the one in which a person can sing. The example of these exercises are normal walk, yoga, etc.

Explanation:

Exercises are essential for human body to keep the body fit. These exercises use all the body parts and during performing this exercise the heart beat becomes very high. Due to this reason a person cannot speak. But there are various forms of exercises in which the rate of heartbeat remains slow. And during these exercises a person can easily sing or speak.

For a person to remain fit all types of exercises are necessary. Therefore, we can see that low intensity exercises can make a person to sing or speak.

how to know you're in love with someone you've just started getting to know can be a bit tricky because — feelings aside — they are technically still a stranger to you. although you might feel the urge to dive in and start professing your undying love for them asap, it's important to remember that it can be easy to confuse feelings of immense attraction with actual love.