Amazing facts - conditional 0

Poll

The human brain is over three times as big as the brain of other mammals that are of similar body size.

• I knew it.

• I didn't know it.

Poll

The strongest bone in the human body is the thigh bone!

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• I didn't know it.

Poll

Humans are made of more than 60% water.

• I knew it.

• I didn't know it.

Amazing facts

Animals, human body, natural places, Earth, etc

Poll

A platypus is a mammal that lays eggs!

• I knew it.

• I didn't know it.

Poll

Only hummingbirds can fly backwards.

• I knew it.

• I didn't know it.

Poll

Polar bears actually have black skin!

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• I didn't know it.

Poll

If lizards need to smell, they can use their tongue.

• I knew it.

• I didn't know it.

Poll

If a mosquito bites you, it’s usually a female.

• I knew it.

• I didn't know it.

Poll

If a bat leaves a cave, it never turns right.

• I knew it.

• I didn't know it.

Poll

If you weigh 50 kg on Earth, you weigh 13,200 kg on Jupiter.

• I knew it.

• I didn't know it.