Posted in Biology, Class 10, Human Body, Science

Human Brain

1. The human brain is the main organ of the – human nervous system and it’s protected by the skull

2. The brain is made up of over – 100 billion nerve cells with each brain cell connected to around 10,000 other cells

3. Your brain is actually – very soft, jelly-like, and not greys but a deep red in color

4. The brain uses – 20% of the body’s energy

5. The adult human brain weighs about – 3 pounds (1,300-1,400 g)

6. The average human brain is – 140 mm wide

7. The average human brain is – 167 mm long

8. The average human brain is – 93 mm height

9. An adult’s brain requires around – 20% of the body’s oxygen

10. Approximately 20% of the blood flowing from the heart is pumped to – the brain

11. The largest part of the human brain is – Cerebrum

12. The cerebrum is the thinking part of the brain and it controls your – voluntary muscles

13. The human brain can be divided into three main parts – The forebrain, midbrain, and hindbrain

14. Male humans have about a 10% larger brain than – Females

15. The study of the brain and its functions is known as – Neuroscience


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