15 questions about human body that everyone should be able to answer. But surprise, only 1 in 20 gets 15/15

15 questions about human body

a d v e r t i s e m e n t

a d v e r t i s e m e n t

15 questions about human body. 🧠 Example? What is the strongest muscle in human organism? You could be considered very clever if you can answer this right away. I’m not joking. But if not, there’s plenty of interesting facts to learn from this quiz. Go ahead and good luck!

You may also like:


15 questions about human body that everyone should be able to answer. But surprise, only 1 in 20 gets 15/15

  • Have you ever known what is the approximate length of the human small intestine in adults?

    • 12 feet
    • 23 feet
    • 15 feet
    • 26 feet
  • How many miles of blood vessels does an adult have in the body?

    • 3,500
    • 5,000
    • 75,000
    • 100,000
  • Women’s brain stays the same size during pregnancy.

    • True
    • False, it shrinks a little.
    • False, it grows a little.
  • What is the strongest muscle in human body?

    • The jaw muscle (masseters)
    • Biceps (upper arm muscles)
    • The thigh muscles
    • The back muscles
  • The largest muscle in human body is:

    • Quadriceps femoris (upper legs)
    • Triceps (upper arms)
    • Gluteus maximus (buttocks)
    • Trapezius (upper back)
  • Which of these organs is not involved in detoxifying your body (eliminate waste produced by cells)?

    • Lungs
    • Liver
    • Pancreas
    • Kidneys
  • What organ has the important function of helping to produce T-cells for the immune system to fight against infections?

    • Lungs
    • Thymus
    • Spinal cord
    • Pituitary gland
  • Babies have 300 bones in their bodies, but the number decreases with age. How many bones does an average adult have?

    • 226
    • 246
    • 266
    • 206
  • We get thirsty when we have a water loss equal to 1% of our body weight. What amount of water loss would be enough to cause death?

    • 5%
    • 10%
    • 15%
    • 20%
  • What is the only body part that cannot heal itself?

    • Tongue
    • Ears
    • Teeth
    • Esophagus
  • At what time does a human being acquire fingerprints?

    • 6 months after birth
    • 2 years
    • 3 months after conception
    • 12 weeks after birth
  • 80% of body heat is lost from

    • The head
    • The limbs
    • The torso
    • None of them
  • Apart from the skin, what other body organ turns red when we blush?

    • The lungs
    • The liver
    • The brain
    • The stomach
  • What kind of movement can our muscles do when active?

    • Only push
    • Only pull
    • Both of them
    • None of them
  • What finger is responsible of 50% of your hand’s total strength?

    • Thumb
    • Index
    • Middle
    • Ring
    • Pinky


Ricardo Gondelles

Written by Ricardo Gondelles

Thirty years of experience in journalism and the publishing world is easily said. Yet, I feel so open to learning that I like to imagine what comes for the next 30 years. As a writer, editor and proofreader, my passion for the written word keep me discovering new realms. Bilingual (Spanish-English), I’m a language lover who’s going through French and Italian as well (I don’t know what comes next, Russian?). My goal in life is to have things done as best as I can, and I take pride in it. Contact me.

a d v e r t i s e m e n t

A test that every globetrotter should pass. It is a real challenge. Average: 7/12

The hardest general knowledge quiz you'll take today

The hardest general knowledge quiz you’ll take today. Only 1 in 5 people can answer question no. 5