Điền vào chỗ trống

Điền vào chỗ trống: Stress is a feeling that's produced when we ____ to certain event. It's the body's way ____ rising to a challenge and preparing to meet a tough situation wwith focus, strength, determination, and heightened alertness. Stress among teens has become a growing ____ in the past century. Teen stress is more common than you may think. Teens fall victims to stress every day whether or not some people would like to think so. It's a point of a child life where some may say it's the most stress that anyone will experienc. It's the time ______ they are about to be on their own, they have huge decisions to make about their future and their goals, and what they are going to do with their life whether to do with their education, work and even personal life. All the ______ pressure and struggles that teens may face can have a huge effect which can put a huge ______ of stress on a teen. Stress in teens is simple to identify such as depression, sleep ______, internal clock may be out of whack.