Created by Kamila Klavíková
Test your knowledge of human body in short interactive quiz.
Incorrect. While neurons are specialized for transmitting electrical signals, some muscle cells (like those in the heart) can also conduct electrical impulses.
Correct 👍! The kidneys filter waste products and excess substances from the blood, forming urine.
Incorrect. The lungs are responsible for gas exchange, not waste filtration.
Correct 👍! Neurons are the main cells for electrical signaling, but they’re not the only ones-muscle cells can do this too.
Incorrect. The liver processes nutrients and detoxifies chemicals but does not filter waste from the blood in the same way as the kidneys.
A. True
B. False
Image of neuron by BruceBlaus - Own work, CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=28761830
A. Liver
B. Kidneys
C. Lungs
D. Stomach
Incorrect. The stomach digests food but does not filter blood.
Incorrect. Vitamin A is obtained from food sources like carrots and leafy greens.
Incorrect. Vitamin B12 is found in animal products and not produced by sunlight exposure.
A. Vitamin A
B. Vitamin B12
C. Vitamin C
D. Vitamin D
Incorrect. Vitamin C comes from fruits and vegetables, not sunlight.
A. True
B. False
Correct 👍! The three smallest bones-the malleus, incus, and stapes-are located in the middle ear and are essential for hearing.
Correct 👍! Sunlight triggers the production of vitamin D in the skin, which is vital for bone health.
Incorrect. The smallest bones are not in the hands or feet but in the ear.
A. Right Atrium
B. Left Atrium
Image of heart by Wapcaplet - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=830253
Incorrect. The right atrium receives oxygen-poor blood from the body.
Correct 👍! The left atrium receives oxygen-rich blood from the lungs before passing it to the left ventricle.
Incorrect. The right ventricle pumps oxygen-poor blood to the lungs.
Incorrect. The left ventricle pumps oxygen-rich blood to the body.
