Human Brain Quiz: Trivia Questions and Answers
Free online printable quiz with multiple-choice questions (MCQ) without registration.
The human brain is the most technically complex mechanism created by nature which still has no analogs created by human hands.
The Human Brain Quiz includes ten questions with multiple choice answers about this important organ of the human body.
Right answers
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1. What is the largest part of the human brain?
The cerebrum
2. How many neurons are in the brain?
More than 86 billion neurons
3. What is the average weight of the human brain?
1.2 - 1.4 kg
4. How much cerebrospinal fluid (CSF) is generated daily?
500 mL
5. What are the parts of the brainstem in the human brain?
Medulla, pons and midbrain
6. How thick is the cerebral cortex?
2 - 4 mm
7. What is the effect of dopamine?
Inhibit prolactin release from anterior pituitary
8. Which cells produce somatostatin?
Neuroendocrine cells of the Periventricular nucleus
9. What is the circle of Willis?
A circulatory anastomosisthat supplies blood to the brain and surrounding structures
10. What percentage of the energy used by the human body is consumed by the brain?
20%