Ch 4: Human & Animal Body Systems & Development

About This Chapter

Develop a deeper understanding of body systems functions and structures using this short, informative chapter. Lessons can be used to review information before a science class test or prepare for admissions or placement exams.

Human and Animal Body Systems & Development - Chapter Summary

From bones and teeth to digestion and circulation, this chapter provides you with the opportunity to review or learn new facts about the organs and systems of humans and various mammals. Key terms and illustrations are included to help you understand topics like the physical and emotional changes that take place during adolescence. Once you have competed your review of this chapter, you should be able to:

  • Identify major organs of the human body and where they are located
  • Relate details about the human skeletal systems, such the different long and short bones
  • Discuss facts about human and animal teeth
  • Define antagonist muscles
  • Explain how the digestive systems works
  • Describe the structure of the heart and how to measure one's pulse
  • Detail the workings of the human circulatory system and the lungs

Each lesson is taught by our expert instructors who make learning about these topics simple and fun. The lessons are accessible 24/7 from any computer or mobile device. Brief self-assessment quizzes measure how much you have retained from the lessons and whether you might need further study in any area.

13 Lessons in Chapter 4: Human & Animal Body Systems & Development
Test your knowledge with a 30-question chapter practice test
Human Body Organs: Lesson for Kids

1. Human Body Organs: Lesson for Kids

Your body organs come in different shapes and sizes, but they all work together to keep you alive. In this lesson, you'll learn where the major organs of your body are found and what they do.

Human Skeletal System Lesson for Kids

2. Human Skeletal System Lesson for Kids

Your skeletal system helps you move around and gives your body its basic shape. It's made up of bones, which are connected by joints. Learn how your skeletal system protects and supports you!

Long Bones in the Human Body

3. Long Bones in the Human Body

This lesson goes over the definition of a long bone and explores its characteristics. Then, it names and locates the various long bones found in the human body.

Short Bones in the Human Body

4. Short Bones in the Human Body

This lesson goes over the definition and major characteristics of the short bones of the human body, and then proceeds to name the various short bones and offer some mnemonics to help remember them.

Antagonist Muscle: Definition & Examples

5. Antagonist Muscle: Definition & Examples

Muscles always work in conjunction with one another. In this lesson, we'll explore the definition of an antagonist muscle, along with some examples of how antagonist muscles work.

Teeth Facts: Lesson for Kids

6. Teeth Facts: Lesson for Kids

Teeth are small but mighty tools of the digestive system. In this lesson, you'll about the four different types of teeth, how many teeth humans have, what those teeth are made of, and how we use them.

Animal Teeth Facts: Lesson for Kids

7. Animal Teeth Facts: Lesson for Kids

Animals, just like humans, have different kinds of teeth for different purposes. In this lesson, you'll learn how an animal's teeth can teach us more about the animal itself.

How the Digestive System Works: Lesson for Kids

8. How the Digestive System Works: Lesson for Kids

Your digestive system mixes the things you eat and drink with digestive juices. This mixing releases the nutrients from the food and drink. Your body uses those nutrients to give you energy! Learn about your digestive system and how it works!

Heart Lesson for Kids

9. Heart Lesson for Kids

In this lesson, we'll discuss the heart, that small but mighty muscle that pushes blood through your body. You'll explore the structure of the heart, including its main parts, and you'll learn why blood flows in one direction through the heart.

Pulse Lesson for Kids

10. Pulse Lesson for Kids

Lub. Dub. Thump. Thump. These are the sounds we think of when we imagine our hearts beating. We can't hear our hearts beat, but we can feel it by taking our pulse. Let's learn what a pulse is, how you can measure it, and what your pulse tells you about how hard your heart is working.

The Human Circulatory System Lesson for Kids

11. The Human Circulatory System Lesson for Kids

Your body uses the circulatory system to move things like oxygen, nutrients, and cell wastes around your body. Your circulatory system includes your heart and blood vessels. Learn about this system and how it works for you every day!

The Lungs Lesson for Kids: Definition & Facts

12. The Lungs Lesson for Kids: Definition & Facts

You may not realize it, but your lungs are working hard for you every moment of every day! In this lesson, learn the important processes your lungs perform and the structure of the lungs.

What is Adolescence? - Lesson for Kids

13. What is Adolescence? - Lesson for Kids

Adolescence can be a challenging time for anyone. In this lesson learn about the physical, intellectual, emotional and social changes that occur in this time of growth.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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