frog
Storyboard Text
- Slide: 1
- When winter rolls around again, a little wood frog like myself must go and find a cave to hide in during the winter. Like water does, I will freeze over during the winter, like a frogsicle. But how do I ensure I will be alive next spring? Well, my body stores, you'll never guess, urine to keep my cells alive. Yeah, it's a little gross. But a frog's gotta do what a frog's gotta do, am I right?
- Slide: 2
- When I start to freeze in the winter, the water inside my cells are also frozen. If I lose more than 60% of my water, the cell will die. To maintain something called homeostasis, my liver releases the stored urine as glucose to keep the cells alive. Eventually, my lungs and heart will stop working, and I will be in what is called suspended animation. I'll be in a state of what I call "homemade homeostasis." With my heart and lungs no longer working, it's up to my cells to ensure my survival when springtime comes back.
- When the "frogsicle" is in suspended animation, its body is all shut down except for the cells
- Normal Cell
- "Frogsicle" cell
- Frozen Cell
- Slide: 3
- When springtime finally does roll around again, I will begin to thaw. The food I ate before freezing was enough to help keep me alive, but like any organism, I need food. Because ice melts back into a liquid, the water is returned to my body and my cells. And my homeostasis returns to what it normally would be. So if you'll excuse me, I have a bathroom break and a lunch to catch up on.
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