In this concept the students will learn about the elements in the human body. Here, the students will be introduced to varieties of elements that control the body systems and functions.
After reading the concept, students will be able to:
Each concept is explained to class 4 students using descriptions, illustrations, and concept maps. After you go through a concept, assess your learning by solving the two printable worksheets given at the end of the page.
Download the worksheets and check your answers with the worksheet solutions for the concept of Elements in the human Body provided in PDF format.
The human body consists of six main elements, namely—
(i) Oxygen (ii) Carbon (iii) Hydrogen
(iv) Nitrogen (v) Calcium (vi) Phosphorus
Apart from these, elements like potassium, sodium, chlorine, magnesium, and sulphur are also present in tiny quantities in the body.
All of the above-mentioned elements are extremely vital for the proper functioning of our bodies. Let us have a detailed look at the elements—
Name of the element | Quantity (in percentage) | Name of the element | Quantity (in percentage) |
(i) Oxygen | 65% | (vii) Potassium | 0.4% |
(ii) Carbon | 18.5% | (viii) Sulphur | 0.3% |
(iii) Hydrogen | 9.5% | (ix) Sodium | 0.2% |
(iv) Nitrogen | 3.3% | (x) Chlorine | 0.2% |
(v) Calcium | 1.5% | (xi) Magnesium | 0.1% |
(vi) Phosphorus | 1% |
Calcification-A process in which calcium builds up in the body tissues and helps in the formation of bones.
Synthesis-Formation of a substance by the combination of different things.
Milk, yogurt and cheese are foods rich in calcium, and should be included in our diet.
Not drinking sufficient amount of water may lead to dehydration, weakness, dry skin and digestion-related disorders.