[tex]\text{Hello There!}[/tex]
[tex]\text{I believe that number 4 is the correct answer}[/tex]
[tex]\text{Cardiovascular (cardio) is very beneficial for you ranging from good exercise to heart benefits.}[/tex]
[tex]\text{Cardio doesn't have to be on a machine, it could be running or biking.}[/tex]
[tex]\text{Therefore, it is practically needed to be healthy.}[/tex]
[tex]\huge\text{I hope this helped! :)}[/tex]
[tex]\rule{250}{1.5}[/tex]