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
Instructor: Rebecca Gillaspy

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

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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