Question

Which of the following is an example of a cardio-respiratory endurance activity?

Answer 1

100 meter dash because it refers to the ability of the circulatory and respiratory systems. Regular exercise makes these systems more efficient by enlarging the heart muscle, enabling more blood to be pumped with each stroke, and increasing the number of small arteries in trained skeletal muscles, which supply more blood to working muscles.

Answer 2

100 meter dash I think