Read the following passage and choose the best answers.
The Strange Sweat of Hippos

It is very hot during summer. This causes
people to sweat. Sweating is a great way to
cool your body. Animals in the wild also sweat
when they are hot. Most people and animals
have colorless sweat. But one animal, the
hippopotamus, has a different kind of sweat: It’s
red!
In the past, many people thought that hippos were sweating blood. But scientists discovered that it is not blood. The red liquid is actually just sweat. It protects the hippo’s skin from the sun. It is like a sunscreen!
The sweat of hippos also has another special purpose. The sweat has an important medicine in it. Hippos often fight and wound one another. The medicine heals the wounds. It also keeps away bad infections.
Hippos get hot and sweaty in summer, just like you! Their red-colored sweat looks very strange. However, it protects their skin and fights disease. The sweat of hippos helps them stay healthy all summer!
In the past, many people thought that hippos were sweating blood. But scientists discovered that it is not blood. The red liquid is actually just sweat. It protects the hippo’s skin from the sun. It is like a sunscreen!
The sweat of hippos also has another special purpose. The sweat has an important medicine in it. Hippos often fight and wound one another. The medicine heals the wounds. It also keeps away bad infections.
Hippos get hot and sweaty in summer, just like you! Their red-colored sweat looks very strange. However, it protects their skin and fights disease. The sweat of hippos helps them stay healthy all summer!
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