
Dogs can move their ears. They use ear muscles. This helps them hear sounds.
Most people cannot move their ears. But we all have ear muscles.
Photo Credit: Tierfotoagentur/Alamy Stock Photo
If you throw a ball up in the air, it … read more
Many families in the United States celebrate Thanksgiving in November. … read more
It is important to find out about the world. Let’s … read more
© 2026 McGraw-Hill Education. All Rights Reserved.