When you flex your muscles you are contracting them. When your muscle fibers gain tension through Actin and Myosin crossbridge cycling they may shorten due to the tension. This is called muscle contraction
Many factors can affect your health. Bad eating habits can affect your health. As a teen, you can control this by either making sure you eat healthier or sticking to a diet plan.
It can also be bad for your health if you never exercise. You can control this by getting up and doing just 5 minutes of exercise each day.
Answer:Your muscles will be weak and Your eyes Will be tired and probability to have bad eyesight is really high
Explanation:
If You dont exercise Do something else Than Play games Ur Muscles Get weak They wont be Used to exercise And Ur eyesight To much exposure to screen can make ur eyesight Go poor. Hope This Helps! :)
This is more of an opinion based question. We can't really help you. Sorry
