Human Body Organs Quiz
Human Body Organs Quiz
Can you identify the organ highlighted on the body? Choose a quick round or take the full 12-organ challenge, then learn a useful fact after every answer.
Choose your challenge
Look at each highlighted organ and select its name. You will see the correct answer and a short explanation before moving on.
Name that organ
Which organ is highlighted?
Look carefully at its shape and position.
Quiz complete!
You have finished the human body organs quiz.
How well do you know the organs inside the human body? This free interactive anatomy quiz turns a simple biology lesson into a visual challenge. Each round highlights one organ on the body diagram. Choose its name, check the answer and read a short explanation of what it does.
The quick quiz uses eight randomly selected organs, while the full anatomy challenge includes all 12. Because the questions are shuffled each time, you can replay the game to practise recognition rather than memorising a fixed order.
How to play the human body organs quiz
Find the brightly coloured organ on the body illustration.
Select one of the four possible organ names.
Read the explanation, then continue to your final score.
What is an organ?
An organ is a structure made from different kinds of tissue working together to perform particular jobs. The heart, for example, is largely muscular and pumps blood through the circulation. The lungs exchange oxygen and carbon dioxide. The kidneys filter blood, remove waste and help control fluid and electrolyte balance.
Organs do not work alone. They belong to organ systems that cooperate to keep the body functioning. The stomach, liver, pancreas, small intestine and large intestine all contribute to digestion, but each performs a different part of the process. Likewise, the kidneys produce urine and the bladder stores it until it is passed from the body.
12 major organs and what they do
| Organ | Organ system | Main job |
|---|---|---|
| Brain | Nervous system | Processes information and helps control movement, thought, sensation and many automatic functions. |
| Thyroid | Endocrine system | Produces hormones that influence metabolism, growth and energy use. |
| Lungs | Respiratory system | Move oxygen into the blood and remove carbon dioxide. |
| Heart | Cardiovascular system | Pumps blood to the lungs and around the rest of the body. |
| Liver | Digestive system | Processes nutrients, makes bile and performs many metabolic and detoxification functions. |
| Stomach | Digestive system | Stores food temporarily and mixes it with acid and enzymes to begin digestion. |
| Pancreas | Digestive and endocrine systems | Makes digestive enzymes and hormones including insulin and glucagon. |
| Spleen | Lymphatic and immune systems | Filters blood and supports immune responses. |
| Kidneys | Urinary system | Remove waste from blood and help regulate fluid, electrolytes and blood pressure. |
| Small intestine | Digestive system | Completes much of digestion and absorbs most nutrients. |
| Large intestine | Digestive system | Absorbs water and electrolytes and forms stool. |
| Bladder | Urinary system | Stores urine before it leaves the body. |
Why anatomy quizzes help learning
Reading a list of organ names can create a feeling of familiarity, but a quiz asks you to retrieve the answer from memory. That effort makes gaps in knowledge easier to notice. The highlighted diagram also links an organ's name with its approximate shape and location, giving the fact more than one mental cue.
For a useful revision routine, play the quick round once without notes. Read every explanation, including the ones you answer correctly. Then try the complete challenge later and see whether your score improves. The illustration is simplified and not to scale, so it should support introductory learning rather than replace a detailed anatomy atlas.
Human body quiz questions: FAQ
Is this human body organs quiz free?
Yes. The quiz is free to play in your browser, requires no account and can be repeated as often as you like.
How many organs are included?
The full challenge includes 12 organs: the brain, thyroid, lungs, heart, liver, stomach, pancreas, spleen, kidneys, small intestine, large intestine and bladder.
Is the anatomy diagram exact?
No. It is a simplified front-view learning illustration. It shows approximate positions and recognisable shapes, but real anatomy varies and organs overlap in three dimensions.
Is this suitable for children?
The plain-language quiz can support older primary pupils, secondary pupils and curious adults. Younger children may benefit from playing with a parent or teacher.
What is the largest internal organ?
The liver is generally described as the largest solid internal organ. The skin is the body's largest organ overall.
Sources and further reading
The explanations on this page were checked against established health and anatomy resources, including NCBI Bookshelf's overview of body systems, MedlinePlus on blood flow, NCBI on kidney function and NCBI on lung anatomy and gas exchange.
Educational notice: This quiz provides general anatomy education only. It is not medical advice and cannot diagnose symptoms or health conditions. Speak to a qualified healthcare professional if you have a health concern.
