Blood flows through the heart and generates noises known as heart sounds. These noises occur due to heart valves opening and closing as the heart pumps blood. A doctor can gain valuable information by ...

Sounds that are lower pitched are less studied than other types. Some say it’s a health hazard. Others have doubts. By Lourdes Medrano/Undark Published Apr 17, 2024 8:00 AM EDT This article was ...

Vesicular breath sounds are a type of breath sound. They are often soft, low-pitched sounds. Having vesicular breath sounds is normal, but changes in those sounds can be a sign of a lung condition. As ...

Your child will investigate different sounds, such as high-pitch and low-pitch sounds. They will tap the glasses to make sounds. They will observe how changing the amount of water in a glass changes ...