Your total cholesterol level is High. Your level of bad LDL cholesterol is High, too. Working to bring down your total cholesterol decreases your LDL cholesterol level. You can do this by exercising more and eating less food with saturated fats. If you lose 5% to 10% of your body weight, you can cut LDL cholesterol 15%, and reduce triglycerides 20%. 2  If you exercise at a moderate intensity -- meaning you have enough breath to talk but not sing -- for at least 2 Â½ hours a week, you can further cut triglycerides 20% to 30%.
Sound is produced when something vibrates. The vibrating body causes the medium (water, air, etc.) around it to vibrate. Vibrations in air are called traveling longitudinal waves, which we can hear. Sound waves consist of areas of high and low pressure called compressions and rarefactions, respectively.
We hear sound because vibrating particles vibrate our eardrums and our brain translates those vibrations into sound. 1. If sound is a form of energy, whatâs moving? 2. All sound comes from what? 3. What kind of a wave is sound? 4. What does frequency have to do with sound? 5. What does amplitude have to do with sound? 6. What made the balloon vibrate when we played sound over the speakers? Answers . 1. Energy is the ability to move something against a force. In the case of sound, molecules are moving. 2. Vibrations. No vibration, no sound. 3.