From Mendel to modern genetics, heredity determines the inheritance of human traits This book discusses the science of genetics, explaining how genes, DNA, and chromosomes combine to form the essential elements of heredity. Reading Essentials in Science.
This book presents a scientific explanation of the human reproduction process, following the development of a fetus through childhood and adolescence into adulthood, explaining the changes the body goes through at each stage. Reading Essentials in Science.
The immune system is a group of cells, tissues, and organs that work together to defend a body against invasion by harmful microbes. This book presents a study of the immune system, explaining the crucial role of each member and discussing immuodeficiency disorders, autoimmune diseases, and allergies. Reading Essentials in Science.
This book takes a scientific look at keeping our food and water safe. Reading Essentials in Science.
This book gives an overview of sound and the sense of hearing, looking at how sound is produced, ways it is measured, and how the ear works. Reading Essentials in Science.
Heredity is the passing of traits from one generation to the next through genes. Genetics is the branch of science that studies heredity. Reading Essentials in Science.
The complex processes that go on inside cells keep all living things alive. Reading Essentials in Science.
This book discusses how the digestive system breaks down food, absorbs nutrients, and gets rid of waste. The alimentary canal along with help from the liver, gallbladder, and pancreas form this organized system of digestion. Reading Essentials in Science.
his book discusses how the main job of the circulatory system is to deliver oxygen and nutrients to the body. The heart, blood vessels, and blood make up the circulatory system. Reading Essentials in Science.
This book is an introduction to the harmful effects of alcohol, tobacco, and drugs. Reading Essentials in Science.
This book explains what the brain and nervous system are and how they function in the human body. Reading Essentials in Science.
This book introduces bones and the human skeleton and explains their functions, which include supporting the body, giving it shape and structure, and protecting the major organs such as the heart and lungs. Reading Essentials in Science.
Bacteria are single-celled organisms with the ability to help and harm other living things. Viruses can only reproduce in host cells, often causing infections. Reading Essentials in Science.
Readers will learn how search and rescue animals are used around the world in many dangerous situations.
Our friends are supposed to be there for us when we need them, to help us through tough times and laugh with us when things are going well. But sometimes, our friends can push us to do things we wouldn't do normally. We might want to do the things our friends are doing to fit in or be cool. This is peer pressure, and it can be dangerous when it leads to hurtful behaviors.
You might have heard people say, "Strangers are just friends you haven;t met yet." That's true in many cases, but not all strangers are kind and friendly. Some strangers can be dangerous. Staying away from people you don't know is often the best way to keep yourself safe.
Sports are a lot of fun. Theres nothing like getting outside with a group of friends and throwing the ball around or playing a game of basketball, soccer, or baseball. But with all the fun, there are a lot of things to keep in mind to keep everyone safe.
Terrorism is a major issue in today's world. Around the globe, people fear terrorist attacks. The threat of violence from terrorists seems to be everywhere.
Martial arts students don't just learn how to fight. They also learn lots of other important things - like how to defend themselves. All martial arts teach you self-defense. But martial artists also learn when to use these moves and when not to use them. They know that martial arts actually lead to less fighting! Discover how martial arts can help you defend yourself too!
Martial arts students don't just learn how to fight. They also learn lots of other important things - like how to stay safe. Martial artists know how to kick, jump, and punch without hurting themselves. They know how to protect their bodies in martial arts class and out. Discover how martial arts can help you stay safe too!
Storms, tornadoes, floods, wildfires - the world is full of natural disasters that do terrible damage to our homes, towns, and cities. Knowing how to prepare for a natural disaster and what you can do if one does happen is the best way to keep yourself safe.
Each day, dangerous germs surround us. At home, many of the products we use to keep our houses clean and our bodies healthy can also be poisonous and very dangerous. The wrong pill, medicine, or household cleaner can cause major health problems. Whether from diseases, germs, or poisons, keeping your body safe from harm means knowing the dangers that are around you.
Apples, bananas, orangesthere are so many fruits to choose from! But what makes fruit such a healthy food choice? Find out more about fruit: where it comes from, how it gets to your plate, and why it is such an important part of a healthy, balanced diet. Learn how much fruit you should be eating each dayand how you can make healthy food choices a part of your life!
We all need to eat! But making healthy food choices can be tough. To be healthy, we can't eat only our favorite foods. We need to eat some foods from each of the five food groups: dairy, fruits, vegetables, grains, and proteins. Learn about all five food groups and find out why each is so important to a healthy life. Discover why eating a balanced diet is one of the best ways to lose weight, stay in shape, and keep your body healthyand how you can do just that!
Whether were drinking a glass of milk, eating a grilled cheese sandwich, or enjoying a yogurt, most of us eat a lot of dairy. But why is having dairy foods every day an important part of a balanced diet? Discover the story that lies behind each glass of milk and slice of cheeseand learn how to make smarter, healthier food choices every day!
