20 biological amazing facts
Answers
Answer:
1.The largest cell in the human body is the female egg and the smallest is the male sperm.
2. The brain is much more active at night than during the day.
3. During your lifetime, you will produce enough saliva to fill two swimming pools.
4. Your nose can remember 50,000 different scents.
5. Women's hearts beat faster than men's.
6. Your eyes are always the same size from birth (but your nose and ears never stop growing).
7. On any given day, sexual intercourse takes place 120 million times on earth.
8. The brain itself cannot feel pain.
9. The largest internal organ is the small intestine.
10. Sneezes regularly exceed 100 mph & nerve impulses to and from the brain travel as fast as 170 miles per hour.
11. It takes 17 muscles to smile and 43 to frown.An adult human body is made up of ± 100 trillion cells. Surprised! Then hold your guts for another one. These cells can be differentiated into 200 different types with diverse forms
12.Human bone is an excellent example of a perfect architecture. The femur that supports the weight of our body during walking is more powerful when compared to a solid concrete of the same weight.
13.Our bone marrow produces 260 billion red blood cells (RBCs) and 135 billion white blood cells (WBCs) per day.
14.Have you ever wondered that when you go to a doctor, why he checks your tongue with a torch at the first instance? The reason is, our tongue acts as a mirror of our health. Certain diseases have the tendency to change the colour of your tongue.
15.How many alveoli make up the human lung? The answer is 300 million. And the estimated alveolar surface area is about ± 100 times wider than the surface of the human body.
16.What’s the largest organ of the human body? Quite surprising, but the answer is your skin.
17.Did you know about the world’s smallest snake? If no, then here’s the answer - the Barbados Thread snake.
18.The relation between your thumb and your nose is - the length of your thumb is equal to the length of your nose.
19.Want to know the meaning of different eye gazes? Different studies and researches have proved that when the human eyes find something attractive, the pupils raise, and if it sees something less-attractive the pupils dilate.
20.Every nucleus in the human body has DNA of 6 feet long.