​​Why Doctor Rub Someone's Arm  before Injecting a Syringe? It's isopropyl alcohol applied with some sort of cotton swab. They...

A pacemaker is a small device that's placed under the skin in your chest to help control your heartbeat. It's used to help your ...

​​Why Dogs pant during hot summer days? Dogs, unlike humans do not have sweat glands or any other mechanisms to reduce the body te...

Why Do Antiseptics Sting When Put on Cuts? The answer has to do with ethanol and hydrogen peroxide , which are often ingredients in...

Hemocyanin, is responsible for keeping the species alive at extreme temperatures. Hemocyanin is a blood-borne protein containing cop...

Grafting is an advanced technique that botanists, farmers, gardeners, and hobbyists use to add living tissue from one plant to another. ...

Carbohydrates: Carbohydrates are easily digestable. They provide energy to our body so that we are able to perform activities. They provide...

Food is a group of edible substances which provide energy to the living things and repair dead tissues and build the new tissues. Functio...