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Human Body Trivia

24 questions

Test your knowledge of human anatomy and physiology. Organs, systems, and how the body works.

Question 1easy

How many chambers does the human heart have?

Question 2easy

What organ pumps blood through the body?

Question 3easy

What organ is responsible for breathing and gas exchange?

Question 4easy

What is the largest organ of the human body (by surface area)?

Question 5easy

What organ filters blood and produces urine?

Question 6easy

Where does digestion of food begin?

Question 7easy

What is the control center of the nervous system?

Question 8medium

How many bones are in the adult human body (approximately)?

Question 9medium

What is the largest internal organ in the human body?

Question 10medium

Which blood type is known as the universal donor (for red blood cells)?

Question 11medium

What is the name of the tube that carries food from the mouth to the stomach?

Question 12medium

Which part of the brain is responsible for balance and coordination?

Question 13medium

What is the smallest bone in the human body?

Question 14medium

What substance in red blood cells carries oxygen?

Question 15medium

How many teeth does an adult human typically have (including wisdom teeth)?

Question 16medium

What is the name of the windpipe?

Question 17medium

Which organ produces bile to help digest fats?

Question 18medium

What is the body's largest artery?

Question 19hard

What is the longest bone in the human body?

Question 20hard

Which vitamin is produced by the skin when exposed to sunlight?

Question 21hard

What is the name of the muscle that separates the chest from the abdomen and aids breathing?

Question 22hard

In which organ does most nutrient absorption from digested food occur?

Question 23hard

What is the scientific name for the voice box?

Question 24hard