BiologySciences

The wonders of God’s creation in the human body.

There are many facts that indicate the greatness of God Almighty’s creation in the human body, the most important of which are the following:

1. Approximately 80-90% of what we perceive as “taste” actually is due to our sense of smell.

2. Your heart beats about 35 million times in a year. During an average lifetime, the human heart will beat more than 2.5 billion times.

3. Your body has about 5.6 liters (6 quarts) of blood. This 5.6 liters of blood circulates through the body three times every minute. In one day, the blood travels a total of 19,000 km (12,000 miles)- that’s four times the distance across the U.S. from coast to coast.

4. The heart pumps about 1 million barrels of blood during an average lifetime – that’s enough to fill more than 3 super tankers.

5. If all arteries, veins, and capillaries of the human circulatory system were laid end to end, the total length would be 60,000 miles, or 100,000 km. That’s nearly two and a half times around the Earth!

6. Even though its thickness averages just 2mm, your skin gets an eighth of all your blood supply.

7. The skull looks as though it is a single bone. In fact, it is made up of 22 separate bones, cemented together along rigid joints called sutures.

8. If a human adult’s digestive tract were stretched out, it would be 6 to 9 m (20 to 30 ft) long.

9. Red blood cells may live for about four months circulating throughout the body, feeding the 60 trillion other body cells. Red blood cells make approximately 250,000 round trips of the body before returning to the bone marrow, where they were born, to die.

10. Human hair grows about 1/4 inch (about 6 millimeters) every month and keeps on growing for up to 6 years. The hair then falls out and another grows in its place.

11. The average healthy mouth produces about 600 milliliters of saliva each day. That’s enough to fill a 12-ounce soda bottle.

12. The fastest nerve cells are carrying messages along their axons at an amazing 130 yards per second (268 mph).

13. Besides producing bile so it can break down fats, your liver has more than 500 other functions.

14. An adults stomach can hold around 1.5 liters of food which can stay there for up to 3 hours.

15. If you are a germaphobe, you won’t be happy to learn that a regular human has more than 400 kinds of species located in their colon.

16. The small intestine of a female is longer than a male’s.

17. You may want to slow down your eating habits when you know that food travels from your esophagus into your stomach in just seven seconds.

18. The length of your large intestine is about 5 feet.

19. Your brain generates about 12-25 watts of electricity. This is enough to power a low wattage LED light bulb.

20. In raw data, our brains can compute 10 to the 13th and 10 to the 16th operations per second. This would be equal to more than one million times the people that there are on Earth. In essence and in theory, the human brain is capable of solving and computing problems much quicker than a computer.

21. The slowest speed information passes around your brain is approximately 260 MPH.

22. Frequent jet lag can damage memory. Stress hormones released during jet lag can damage the temporal lobe and memory.

23. Brain surgery can be performed while the patient is awake with no pain or discomfort. The brain has no pain receptors and feels no pain.

24. Did you know that it is normal for your mind to wander? A joint study by Harvard University, Dartmouth College and the University of Aberdeen in Scotland found the parts of the brain that control ‘task-unrelated thought’ (such as daydreaming) are almost always active when the brain is at rest.

25. When the mind recalls a memory, it’s not the original memory. In fact, the act of remembering is an act of creative re-imagination. The put-together memory doesn’t just have a few holes; it also has some entirely new bits pasted in.

26. There is 2,500,000 gigabytes of storage space in your brain.

27. The brain of an adult human weighs around 3 pounds (1.5 kg). Although it makes up just 2% of the body’s weight, it uses around 20% of its energy.

28. Reading aloud promotes brain development. It’s indeed one of the strange facts about the brain because we usually teach our children to read and talk politely. But to promote brain development in your child, you should read and talk aloud in front of them.

29. Our brain prefers images over text. Participants in studies only remember about 10% of information presented orally when they are tested 72 hours after instruction. However, that number jumps by about 65% when an image is added to the learning process.

30. There are about 100 billion neurons in a human brain, which is about the same as the number of stars in the Milky Way galaxy.

Reference :

Fantastic Facts about the Human Body”, health.howstuffworks.com

“10 Most Surprising Facts About Your Digestive System”, naturalon.com

John Brandon, “25 Amazing Facts About the Human Brain You Should Probably Memorize”، www.inc.com

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