Amazing Human Body Facts Quiz
Test your knowledge about fascinating facts and functions of the human body in this engaging quiz!
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Quiz Questions & Answers
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Question 1: Which organ in the human body can regenerate itself even if up to 75% of it is removed?
Heart
Kidney
Liver
Lung
Question 2: What happens to your body when you blush?
Muscles contract
Blood vessels dilate
Hormones decrease
Skin cells multiply
Question 3: How many times does the average human heart beat per day?
About 50,000 times
About 100,000 times
About 150,000 times
About 200,000 times
Question 4: Which sense is most closely linked to memory?
Sight
Smell
Touch
Taste
Question 5: What is the largest organ in the human body?
Liver
Brain
Skin
Large Intestine
Question 6: How long does it take for the brain to process a visual image?
1 second
13 milliseconds
100 milliseconds
500 milliseconds
Question 7: What percentage of your body's calcium is stored in your bones?
50%
75%
99%
85%
Question 8: Which part of the human body continues to grow throughout life?
Ears
Heart
Brain
Lungs
Question 9: How many bacteria species live in your gut?
Around 100
Around 1,000
Around 10,000
Around 100,000
Question 10: How often does your body replace all its skin cells?
Every week
Every month
Every 27 days
Every 3 months