physiology

Presents ninety-nine real questions from children about, the human body, puberty, love, and sexuality.

When one thinks of the strongest animals on Earth, one might consider the gorilla or a grizzly bear. But leafcutter ants are actually some of the strongest when size is taken into consideration. In this book, imaginary match ups between superstrong animals captivate and entertain readers as they learn fun facts about each kind of animal.

The human body can be weird. What's the purpose of snot? How does skin regenerate? In this book, readers will explore the science behind how the human body works. This high-interest series is written at a low readability to aid struggling readers. Educational sidebars include a science activity, a spotlight biography, fast facts, and an unsolved mystery! A table of contents, glossary of keywords, index, and author biography are included.

Learn about the circulatory system, which carries blood to and from the heart and moves oxygen, nutrients, and more throughout the body.

The skeletal system is more than bones-- it also includes cartilage, ligaments, and tendons, working together.

The nervous system carries messages from the brain to all the parts of the human body-- all faster than you can blink!.

Muscles help us move from place to place, but they also help important parts of our bodies work, keeping us alive and well.

The chemical messengers of the human body are known as hormones, and they impact every part of the body.

Learn the ins and outs of the human digestive system, which breaks down food into nutrients and removes waste from the body.

The human body is an amazing and intricate machine, and its many parts and systems work together to keep us active and healthy! In this book, young readers will learn more about the human body, from the skeleton that gives us shape to the heart that pumps our blood to the skin that holds us together. Diagrams and pictures show how the body?s parts fit together, and fact boxes provide further details about how it all works.