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Magic Powers Of The Wood Frog

2 imagenes, 8 preguntas, 1 definicion, 1 dato, 4 videos, 1 encuesta sobre Magic Powers Of The Wood Frog en ARTi.

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Magic powers of the wood frog

Imágenes

The role of urea

torito Wood frogs accumulate high levels of urea to help protect their cells during freezing.

Natural sugary antifreeze

torito The wood frog floods its organs with glucose to act as a natural antifreeze.

Fun Facts

Fun Fact

Frog antifreeze: Wood frogs can survive with up to 65% of their body water completely frozen solid.

Quizzes

Quiz

What percentage of a wood frog's body water can turn to ice during winter?

Quiz

What happens to the wood frog's heart rate when it is fully frozen?

Quiz

What is the scientific name of the wood frog?

Quiz

Which organ in the wood frog produces glucose to act as a natural antifreeze?

Quiz

How many times does a wood frog's glucose level increase when it starts to freeze?

Quiz

What chemical, normally excreted as waste, does the wood frog retain to help survive freezing?

Quiz

Where does ice actually form in a freezing wood frog?

Quiz

Which molecule is glycogen converted into to protect the wood frog's organs?

Glosario

Glossary

cryoprotectant (noun)
A substance that protects biological tissue from damage during freezing. During winter hibernation, the wood frog floods its organs with glucose to prevent ice from destroying cells.

Gossip

Gossip

If you could freeze-hibernate, what season would you skip?

Videos

torito In autumn, wood frogs stop urinating to retain urea, a nitrogenous waste product.

torito Upon detecting ice on its skin, the frog's liver rapidly converts stored glycogen into glucose.

torito When temperatures drop below 0 degrees Celsius, the wood frog stops breathing and its heart rate drops to zero.

torito Within hours of freezing, the frog's heart slows and eventually stops completely.

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