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The Human Body: Health & Wellness

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Learn fascinating facts about the human body, health, nutrition, and wellness.

15 quick questionsNo sign-upFree to playTap an answer below to begin ↓

How many bones are in the adult human body?

About The Human Body: Health & Wellness

Learn fascinating facts about the human body, health, nutrition, and wellness. The Human Body: Health & Wellness packs 15 multiple-choice questions with a mix of 5 easy, 5 medium, 5 hard questions into a relaxed session of roughly 7 minutes — no sign-up, no timer pressure. An explanation appears after every answer, and finishing once a day keeps your streak alive.

A few sample questions

  1. 1. How many bones are in the adult human body?

    Answer: 206

    An adult human has 206 bones. Interestingly, babies are born with about 270 bones, but many fuse together as they grow.

  2. 2. What organ pumps blood throughout the body?

    Answer: Heart

    The heart pumps about 2,000 gallons of blood through the body every day. It beats roughly 100,000 times per day, or about 35 million times a year.

  3. 3. What is the largest organ of the human body?

    Answer: Skin

    Skin is the largest organ, covering about 20 square feet in the average adult. It protects us from microbes, helps regulate body temperature, and allows the sense of touch.

  4. 4. Which vitamin does your body produce when exposed to sunlight?

    Answer: Vitamin D

    Your skin produces Vitamin D when exposed to sunlight. This vitamin is essential for bone health because it helps the body absorb calcium.

  5. 5. What is the recommended amount of water to drink daily for most adults?

    Answer: About 8 cups

    While needs vary, the common guideline is about 8 cups (64 ounces) of water per day. Staying hydrated supports digestion, circulation, and overall health.

Things you'll learn along the way

  • Calcium is crucial for building and maintaining strong bones and teeth. Good sources include dairy products, leafy green vegetables, and fortified foods.
  • A normal resting heart rate for adults ranges from 60 to 100 beats per minute. Athletes may have a resting heart rate as low as 40 beats per minute due to their heart's efficiency.
  • The hippocampus, located deep within the brain, plays a vital role in forming and storing new memories. Its name comes from the Greek word for 'seahorse' due to its shape.

Frequently asked questions

Is The Human Body: Health & Wellness free to play?

Yes. The entire SeniorBrainGames catalog — including The Human Body: Health & Wellness — is free, with no sign-up required, no time limits, and no ads on top of the game. It also works offline once the page has loaded once.

How long does The Human Body: Health & Wellness take?

Most players finish The Human Body: Health & Wellness in about 7 minutes. You can pause between questions, replay it as often as you like, and there is no penalty for taking your time — answers are explained after you submit them.

What's a good follow-up after The Human Body: Health & Wellness?

If you enjoyed this general knowledge quiz, try the Daily Challenge — five rotating questions, refreshed every 24 hours, that count toward your streak. You can also use the Surprise Me button on the homepage to land on a different game type for variety.

Can I print The Human Body: Health & Wellness?

Yes — use the Print button at the top of the page for a clean question sheet, or "Print with Answers" to make an answer key. Printed sheets work well for group play at home, in a classroom, or at a senior center.

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