Get to know your body’s most important muscle -- your heart -- and learn how to take your own pulse!
Up Next in Season 1
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Get to Know a Dinosaur!
Millions of years ago, dinosaurs roamed the Earth! But so did lots of other giant creatures that looked a lot like dinosaurs... but weren't! Our friend Dino stops by to show us how we can tell dinosaurs apart from other animals that flew in the skies and swam in the oceans of prehistoric Earth!
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The Outrageous Octopus!
What has eight arms, three hearts, and and lives in the ocean? An octopus! Join Jessi and Squeaks as they take a dive into the amazing world of the super weird, super smart octopus!
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Why Do We Need Sleep?
Jessi stayed up too late, so she's feeling really tired. Luckily, she isn't too tired to tell you all about what happens when we sleep and why we feel so terrible when we don't get enough sleep!
