Oxygen is the most abundant element on the Earth’s surface and is critical for chemical reactions that keep the body alive, including the reactions that produce adenosine triphosphate (ATP) (a complex organic chemical that provides energy to drive many processes in living cells). Nearly all of the oxygen found on Earth todayRead More →

muscle strong human body stronger

The muscular system is responsible for the movement of the human body and muscles come in all shapes and sizes. In the muscular system, muscle tissue is categorized intothree distinct types: Skeletal muscle: Skeletal muscles (also called voluntary muscles) are attached to bones by tendons and produce all the movements of body parts in relation to eachRead More →

most deadliest animals on earth

Which one is the deadliest animal to humans on Earth? The world’s most dangerous animal is not what you might expect. Despite how terrifying and frightening can be, attacks by lions and sharks on humans are quite rare. Actually, on average, lions kill 250 people every year and around 40Read More →