Titoli in Anatomia e fisiologia

What causes itches, and how does scratching stop it? This Q & A explains what tells your brain you have an itch and how long to scratch.

How do brain impulses translate into a state of mind? This Q & A explores the science of the brain and gives an insight into feelings and abilities.

In this engrossing Q & A, you'll learn why some people have red hair. It's related to what type of genes you have.

The Director of the Sinus Center at Johns Hopkins University explains why our noses start to run in cold weather.

To understand what it means to be color-blind, you must first understand how most of us see color.

Humans are such experts at laughing that we can distinguish a fake laugh from a real one. But why do we laugh?

Different organs inside the human body take turns arguing why they are the best organ of all.

Each food has its own special flavor. Why is it so easy for you to tell so many foods apart?

The brain is your body's control center. It collects signals from your senses, thinks and decides, and sends signals that tell your body what to do. Each part of the brain has a special job, and they all work together as you think.

Did you know your teeth’s enamel is the hardest thing in your body? Or that your tongue print is one-of-a-kind? This series explores the role that the ears, eyes, nose, and other important parts play in a healthy human body.

Let’s Look at Body Systems! introduces early fluent listeners to the body’s seven systems with fun and informative storylines. In each book, a fictional child character investigates a specific body system, learning how it helps him or her function each day. Listeners will learn what parts and processes of the human body are involved in each body system.

Let’s Look at Body Systems! introduces early fluent listeners to the body’s seven systems with fun and informative storylines. In each book, a fictional child character investigates a specific body system, learning how it helps him or her function each day. Listeners will learn what parts and processes of the human body are involved in each body system.

How does blood circulate throughout your body? How does your brain make your body move? This series explores the many systems at work in the human body. Young listeners will learn how each system works, the parts of each system, how the systems work together, and how to keep each system healthy. This volume includes The Circulatory System, The Digestive System, and The Muscular System.

How does blood circulate throughout your body? How does your brain make your body move? This series explores the many systems at work in the human body. Young listeners will learn how each system works, the parts of each system, how the systems work together, and how to keep each system healthy. This volume includes The Nervous System, The Respiratory System, and The Skeletal System.

Did you know your teeth’s enamel is the hardest thing in your body? Or that your tongue print is one-of-a-kind? This series explores the role that the ears, eyes, nose, and other important parts play in a healthy human body.

Seals and sea lions look very similar, and it’s sometimes difficult to tell them apart. Both marine mammals live in oceans all over the world. One has visible ear flaps, while the other has ears but no external flaps. One swooshes through the water using their back flippers, and the other uses their front flippers to swim through water. On land, one bounces along, and the other can “walk” on their hind flippers. Learn about the similarities and differences between these marine mammals in this latest addition to our Compare and Contrast Series!

¿Qué tienen en común y en qué se diferencian los cangrejos y las langostas? Aunque ambos animales viven en el océano, uno prefiere nadar y el otro caminar. Uno puede ser encontrado en pozas costeras y el otro en alta mar. Ambos tienen esqueletos en la parte externa de sus cuerpos. ¡Hay mucho más sobre estos animales además de ser un buen alimento para nosotros! Aprende sobre estos crustáceos fascinantes en la edición más reciente de la serie de Un libro de comparaciones y contrastes.

When one hears the word “panda” most people immediately think of the large, black and white “panda bears.” Yes, they are a type of bear. Did you know that red pandas are in an animal family of their own? While the two animals may not be related through animal classification, they share similar characteristics like a “thumb wrist” and a reliance on bamboo. Explore the similarities and differences between these mammals in this latest addition to the Compare and Contrast Series!

Did you know that there are more insects than any other group of animals? The diversity of insects is staggering. What do ants have in common with bees? What’s the difference between a butterfly and a moth? How are ladybugs and weevils related? Some insects have a set of wings, some have two, but others might not have any. Some insects have a hard outer shell (exoskeleton). Learn how insects are alike and how they are different in this latest addition to the Compare and Contrast Series.

Las focas y los leones marinos tienen un aspecto similar y algunas veces es complicado saber cuál es cuál. Ambos mamíferos marinos nadan con aletas y pueden encontrarse en océanos alrededor del mundo. Uno tiene orejas visibles, mientras que las orejas del otro no son externas. Uno atraviesa el agua utilizando sus aletas traseras, mientras que el otro usa sus aletas frontales para nadar. Ya sobre tierra, uno rebota hacia sus alrededores, mientras que el otro puede “caminar” sobre sus aletas.