1 meter = 1000 millimeters. The back of this kitchen chair is 1 meter. A kilometer is equal to 1000 meters. When we need to get from one place to another, we measure the distance using kilometers.
In general, chest discomfort related to a heart attack or another heart problem may be described by or associated with one or more of the following: 1  Pressure, fullness or tightness in your chest. 2  Crushing or searing pain that radiates to your back, neck, jaw, shoulders and arms â particularly your left arm.owever, chest pain that is less likely due to a heart problem is more often associated with: 1  A sour taste or a sensation of food re-entering your mouth. 2  Trouble swallowing. 3  Pain that gets better or worse when you change your body position.
Chest pain comes in many varieties, ranging from a sharp stab to a dull ache. Some chest pain is described as crushing or burning. In certain cases, the pain travels up the neck, into the jaw, and then radiates through to the back or down one or both arms. Many different problems can cause chest pain. The most life-threatening ones involve the heart or lungs.