The kids will be curious to know where the brain is located, so be sure to mention that it is located somewhere inside the head – within the skull. At their level, they only need to know that the main functions of the brain include memory storage, control of emotions, elaboration of thought, and muscle control. Mention that this organ helps them think.
Mention to the kids that the liver is located within the abdominal cavity and that it is the organ responsible for regulating the levels of glucose in the blood. Let them know how a healthy liver helps them fight diabetes and that it keeps the blood “clean”.
The kids need to know that the heart is the organ responsible for the pumping of blood throughout the body. Now would be a good time to explain that blood is distributed in our bodies through small pipes known as the blood vessels.
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The lungs are responsible for the provision of oxygen to the bloodstream. It does that by exhaling carbon dioxide and retaining oxygen from the air we inhale. The kids should also know that these cone-shaped structures are located in the chest cavity.
This is the organ responsible for the storage and release of urine. The kid should also know that the organ is located in the pelvic cavity.
Most kids will tell you that the stomach is the part of the body that “feels hungry”. It is best that you take it from there and explain why this organ feels hungry. Tell the kid how the stomach produces gastric juices, how it breaks down food, and how it digests it into a thin liquid.
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The function of these two bean-shaped organs is to excrete waste products (mostly poop) and excess fluids (mostly urine). The kid should also know that when we excrete, the chemical balance in our bodies is maintained.
Although the bones have many functions, the kids only need to know that bones keep the human’s internal organs intact and safe from external interference. They also help us move, support the body structurally, and store important minerals such as calcium.
Kids need to know that muscles are attached to the internal organs, bones, and blood vessels and that their key role is to help our bodies move around joints.
Fats are distributed all over the body. They keep the body warm, help it absorb important nutrients, support cell growth, provide energy, and produce important hormones.
Kids know what the skin is, only that they aren’t sure why they have it. Tell them that this organ is the wall that keeps the internal organs safe from harmful elements from the outside world. It keeps moisture, heat, cold, toxic substances, and germs at bay.
After explaining the human body composition, remember to mention that eating healthy and exercising regularly strengthens the muscles and bones. The internal organs work best when the muscles, skin, and bones are healthy and strong. Do add that healthy eating does not only benefit optimal functioning of the internal organs, and clearer skin, but also thick and shiny hair. Don’t conclude the lesson without mentioning that as much as dietary fats are necessary, the body doesn’t function maximally when we store extra fat. Encourage them to be shedding some of it through regular exercise.