Chapter 1
The survival strategy of being incredibly slow
Chapter 2
The mobile ecosystem living in sloth fur
Chapter 3
The dangerous weekly toilet trip
Chapter 4
From giants to tree dwellers
Chapter 5
Superpowers you didn't know they had
YOUR GOAL
Master of The secret life of sloths
Ch 5 · Superpowers you didn't know they had
artiteacher Sloth Superpowers
Hearts slow down, forty minutes deep, best dive in town!
artiteacher Specialized tendons and muscles require zero energy to maintain a grip, making it nearly impossible to pull sloths
artiteacher A friendly cartoon sloth rotates its head completely backward in a vibrant forest.
Fun Fact
Breath holders: Sloths can hold their breath underwater for up to 40 minutes, which is longer than dolphins can.
Glossary
tendon (noun)
A tough band of fibrous connective tissue that connects muscle to bone. Sloths use specialized locking tendons to hang from tree branches without expending any metabolic muscle energy.
A tough band of fibrous connective tissue that connects muscle to bone. Sloths use specialized locking tendons to hang from tree branches without expending any metabolic muscle energy.
Quiz
What protects a sloth's open wounds from getting infected in the dirty rainforest?
Quiz
How many neck vertebrae do three-toed sloths have compared to the seven found in most mammals?
Quiz
How does a sloth's grip strength compare to an average human's relative to body mass?