Human Body
Where are red blood cells primarily produced?
Bone marrow
What is the loudest animal on Earth?
Whale
What is the smallest country in the world?
Vatican City
What is the most abundant gas in Earth’s atmosphere?
Nitrogen
Which country has a flag that is not rectangular?
Nepal
Which part of the body has no blood supply?
Cornea of the eye
Which animal has the strongest bite force ever measured?
Crocodile
Which language has the most native speakers in the world?
Mandarin Chinese
Which planet has the most moons currently known?
Saturn
How many countries are there in the world?
195
Which blood vessels carry blood AWAY from the heart?
Arteries
Which of these animals cannot jump:
Elephant
Which country has the most time zones?
France
What is the largest organ inside the human body?
Liver
Which of these is NOT a valid Olympic sport?
Chess
What is the approximate pH of normal human blood?
7.4
Which animal has fingerprints nearly identical to humans?
Koala
Which country has no rivers at all?
Saudi Arabia
What is the only planet that rotates clockwise (retrograde rotation)?
Venus
What’s the only food that never spoils?
Honey
Which organ can regenerate itself after damage?
Liver
Which animal has the highest blood pressure?
Giraffe
Which country has the most pyramids in the world?
Sudan
What is the process where a solid changes directly into a gas called?
Sublimation
Which country consumes the most tea per person?
Turkey