What Is a Dam and How Does It Function?
Dam is a barrier built across a river or sea which is high enough to stop the water flowing over it. In a river dam, the water which is hel
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Functions
How Does Your Body Make Blood?
The blood that our hearts pump through our bodies is composed of cells and plasma. The cells include red blood cells, white blood cel
What Is the Purpose of Bones in Human Body?
What Is the Purpose of Bones in Human Body? We have bones to give us shape and support the body, to protect and contain the body’s delicat
What Is Skin?
What Is Skin? Apart from protecting our body, skin is a vital element in our physical make-up and well-being. It helps to regularize our bod
Why Do We Have Kidneys?
Why Do We Have Kidneys? Our kidneys perform four functions, of which the most obvious is the ejection of waste materials containing nitrogen