It may only be the size of your fist, but your heart is one of the hardest-working organs in your body. It beats nonstop — whether you’re running laps, laughing with friends, or fast asleep. This Valentine’s season, show your heart a little love by learning what makes it tick.
Think you know what an artery does? Or how long does it take for blood to complete a full circuit through the human body? Get ready for a quiz full of fascinating facts, surprising science, and a few twists that might make your pulse race!
In The Science of Dehydration, Jem pushes his body to the limit with intense exercise while scientists measure how dehydration affects his performance. After sweating it out on a treadmill and exercise bike — without drinking any water — his blood volume drops, and his reaction time slows by a third! The results prove just how crucial hydration is for both the body and the brain. This video is excerpted from BBC’s Bang Goes the Theory, a series that delves into the ways science impacts our lives and shapes the world we experience every day.
It may only be the size of your fist, but your heart is one of the hardest-working organs in your body. It beats nonstop — whether you’re running laps, laughing with friends, or fast asleep. This Valentine’s season, show your heart a little love by learning what makes it tick.
Think you know what an artery does? Or how long does it take for blood to complete a full circuit through the human body? Get ready for a quiz full of fascinating facts, surprising science, and a few twists that might make your pulse race!
In The Science of Dehydration, Jem pushes his body to the limit with intense exercise while scientists measure how dehydration affects his performance. After sweating it out on a treadmill and exercise bike — without drinking any water — his blood volume drops, and his reaction time slows by a third! The results prove just how crucial hydration is for both the body and the brain. This video is excerpted from BBC’s Bang Goes the Theory, a series that delves into the ways science impacts our lives and shapes the world we experience every day.