Anatomy & Physiology

As squirrels cram acorns into their cheeks, crisp leaves drift to the ground. Above, geese honk as they travel south. The sights and sounds of fall are upon us! In the Northern Hemisphere,… More →

There's much more to our ears than meets the eye! The human ear contains a chain of important links that work together to help us hear the world around us. From the ear's tiny bones to its… More →

Learn all about the human body one fact at a time! Explore the body from head to toe--and everything in between. Along the way, you'll get to know the body systems that keep us alive and make More →

What keeps you standing tall? Your bones! But they do more than just stop you from flopping on the floor. Your bones make up the frame of your body and support you. They protect your other… More →

When you open a book, you can see the pictures, read the words, and even turn the pages all thanks to one special part of you. What do you think it is? It's your brain! Your busy brain keeps… More →

What is that thing pumping in your chest to help you run, dance, play, and live your life? Thump-thump, thump-thump. It's your heart! With every beat, your heart pumps blood through your body More →

What happens when you take a deep breathe? Woosh! Air rushes into your lungs. Your lungs help you get the air you need to live. They work with your heart to send oxygen around your body and… More →

What do you use with every move you make? Muscles! You use muscles to do a cartwheel and lift a pencil. But they also help your heart beat, help you breathe, and work to break down food in… More →

Rumble! Are you hungry? After you eat a snack, you may go back to playing. But that's when your stomach really steps up. With every meal from breakfast to dinner, your stomach works to break… More →

The human eye is a complex machine that allows us to see the wonders of the world! The fuel for this machine is light. Each part of the eye communicates with light to allow us to see. Young… More →

The sense of smell is one of the most interesting human senses! A familiar scent may trigger forgotten memories. The smell of smoke warns of danger. The smell of cooking food may cause… More →

After the dead of winter, spring is sprung, and the world comes to life! Flowers bloom, animals wake from their long slumbers, and children splash in puddles as the sun warms the air. This… More →