Question

What do cardio activities increase?

Heart Rate
Muscle Strength
Range of Motion
Muscle Mass

Answer 1

Heart rate.

Step-by-step explanation:

Cardio meaning heart is ofcoarse the training of getting the heart to pump more blood to the body which helps fight against disease.

Answer 2

"Heart Rate"

Aside from the principle of which one of these things doesnt belong, cardio exercise is meant to increase overall heart rate, bp, and over endurance.