Give you lack of nutrition and will take a toll on your ability to function through out the day. feeding your brain is like getting rest so you are recharged with out it you get tired sluggish and grumpy easily.
The talk test is a one of the easiest ways to monitor your exercise
intensity. You don't need any equipment, like a heart rate monitor.
All you really need is the ability to talk and breathe.
Whether you can do both at the same time is where your intensity comes in.
This is important so your on a strict schedule and will help you to push yourself more and not just blow it off
The muscles surrounding the airways contract
