Human Body Organs: Lesson for Kids

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  • 0:00 The Importance of Organs
  • 0:47 Skin: An External Body Organ
  • 1:18 Internal Body Organs
  • 3:18 Lesson Summary
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Lesson Transcript
Rebecca Gillaspy

Dr. Gillaspy has taught health science at University of Phoenix and Ashford University and has a degree from Palmer College of Chiropractic.

Expert Contributor
Nicola Taccone

Honours Bachelor of Physical and Health Education with a minor in English, Bachelor of Education, and Master's degree in Professional Kinesiology.

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.

The Importance of Organs

You may already know that there are organs, body parts with specific functions, in your body that do the work needed to keep you alive. Your body's cells and organs need things like oxygen and nutrients from your food (vitamins, minerals, carbohydrates, proteins, fats, and water) in order to work properly and to help remove toxins from your body.

Clearly, organs are very important, and all of your organs have different jobs as they're working together toward the same goal, which is to keep the trillions of cells in your body healthy. Can you guess which organ is the biggest? Here's a hint: You can touch it, it changes color, and it regulates your body temperature. It's your skin!

Skin: An External Body Organ

Your skin covers your body, making it your biggest organ. It has cells that produce a brown pigment when you're in the sun. That pigment protects you from harmful sun rays. It also has tiny openings called pores. When you get too hot, sweat comes out of those pores to cool you down.

Your skin is an external organ, which means it's found on the outside of your body. Most of the rest of your organs are internal organs, meaning that they're found inside your body. Let's take a look at some of the main internal organs.

Internal Body Organs

Your brain is your body's central control station. Located inside your skull for protection, your brain allows you to think, sense things going on around you, and move your muscles. It also controls things you don't think about, like digestion, heart rate, and breathing.

Speaking of breathing, that's the job of your lungs! They pull in oxygen, which is a gas needed by your cells, and they get rid of carbon dioxide, which is a waste gas. Your lungs are inside your chest and protected by your rib cage, just like your heart.

Your heart pumps blood around your body. Your blood carries the oxygen and carbon dioxide to and from your body cells. Your blood also carries nutrients to your cells.

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Additional Activities

Group Project

Organize students into groups of ten. Assign each student one of the following organs: skin, brain, heart, lungs, liver, stomach, pancreas, kidneys, small intestine, or large intestine. Each student will become an expert on their assigned organ and will share what they have learned with their peer group.

Create a Model

Create a model of the organ you have been assigned. You can use any materials you like. Some examples of materials that can be used include: construction paper, card board, markers, string, and balloons.

Research Questions

Once you have created your model research information pertaining to your assigned organ. Use the following questions as a guide.

  1. Where is the organ located in the body?
  2. Is it an internal or external organ?
  3. What is the main function/functions of the organ?
  4. Does the organ secrete any hormones?
  5. What are some potential consequences if there is damage to the organ?

Share What You've Learned

Share your model organ and the information you've gathered with your peer group. Please come prepared with a one-page information hand-out based on the information gathered from the research questions. Each member of your peer group will receive a copy of the hand-out for their notes. Please also include a picture of your assigned organ on the hand-out.

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