When he was 6 years old, Perry used to chase his older brother, Marcus, in the backyard, but became winded sooner than Marcus did.Now that Perry is 10 years old, he can run faster and longer than ever before and has less trouble keeping up with Marcus's pace.This is a result of increased __________ in middle childhood.

Question

Quizplus · Accepted Answer

Increased lung capacity in middle childhood allows for greater endurance and ability to maintain physical activity for longer periods of time, which would explain why Perry can now keep up with his older brother's pace.

When He Was 6 Years Old, Perry Used to Chase