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Ultrasound

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An ultrasound image showing a 14-week embryo, providing a glimpse into early development during pregnancy.

What is Ultrasound?

Ultrasound is a special kind of sound that people cannot hear. It is like regular sound but much higher in pitch—above 20 kilohertz. This high-pitched sound is used in many helpful ways.

How We Use Ultrasound

Ultrasound helps doctors see inside the body without surgery. It can show muscles, tendons, and organs. Doctors also use it to check on babies during pregnancy. It is safe because it does not use harmful radiation.

Some animals, like bats and porpoises, naturally use ultrasound to find food and move around. Bats use it to fly in the dark and catch insects.

Fun Facts About Ultrasound

In industry, ultrasound can find hidden problems in products and structures. It can also help clean and mix things better. Ultrasound can even measure distances, like how sonar works underwater.

Ultrasound is very useful and can be found in many places, from hospitals to factories. It helps us in many ways every day!

Images

A medical ultrasound machine used to create images inside the body.
A 3D ultrasound image showing a developing baby during pregnancy.

Related articles

This article is a child-friendly adaptation of the Wikipedia article on Ultrasound, available under CC BY-SA 4.0.

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