Interesting facts about biology

Some Interesting Facts about Biology

Biology is one of the most interesting subjects that students prefer studying with enthusiasm. But, did you know about some of the amazing facts that were not there in your class book? Over here, we’re going to discuss 25 such facts that you probably have not heard of. Read on and enlighten yourself with these facts.
Fact # 1
Did you ever wonder why the colour of our blood is red? Here’s the answer - the iron present in our blood forms a ring of atoms called porphyrin, the shape of this structure produces the red colour. The shape of the porphyrin is affected by the presence of oxygen in your body.
Fact # 2
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.
Fact # 3
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.
Fact # 4
Our bone marrow produces 260 billion red blood cells (RBCs) and 135 billion white blood cells (WBCs) per day.
Fact # 5
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.
Fact # 6
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.
Fact # 7
Thirst not only occurs when the body loses a lot of fluids but also occurs due to increased levels of salt in the blood. The reason being salt tends to bind water.
Fact # 8
What’s the largest organ of the human body? Quite surprising, but the answer is your skin.
Fact # 9
Did you know about the world’s smallest snake? If no, then here’s the answer - the Barbados Thread snake.
Fact # 10
The relation between your thumb and your nose is - the length of your thumb is equal to the length of your nose.
Fact # 11
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.
Fact # 12
Every nucleus in the human body has DNA of 6 feet long.
Fact # 13
Magnetoreception is a type of magnetic compass present in some migratory birds that help them navigate using the Earth’s magnetic field.
Fact # 14
The jaw is one of the strongest parts of the human body when it comes to exerting force.
Fact # 15
Curious to know how dolphins sleep? Then, here you go, dolphins sleep half awake. They keep one eye open while they consciously breathe and float on the water surface.
Fact # 16
The ostrich egg is the biggest in the world. It equals to the volume of as much as 30 chicken eggs.
Fact # 17
The life of an eyelash is no more than 5 months.
Fact # 18
Did you know, the power generated by our brain is enough to illuminate a bulb? Yes, it is at the time when we’re awake.
Fact # 19
What is the largest flower in the world?Rafflesia Arnoldii. It can grow as big as an umbrella.
Fact # 20
Now, that you know about the world’s largest flower, you must also know about the world’s smallest flowering plant,Wolffia. One full bouquet of its flowers fits on the head of a push pin.
Fact # 21
Armadillos spend about 80% of their life asleep! Did you know?
Fact # 22
How do ants eat? Want to know? Ants cannot chew their food, they move their jaws sideways like scissors to extract the juices from the food.
Fact # 23
Babies born with farsightedness. They start to focus properly only between 3 to 6 months of age.
Fact # 24
Human life expectancy would increase by 9.78 years if all the major cardiovascular diseases were eliminated.
Fact # 25
In seahorses, the male gives birth to a young one.

Even a 270 kg (600 lb) Octopus can squeeze through a small coin-size hole.
The SkinThe largest organ of the human body is the skin.
Demodex mites in browsMost of us have harmlessmicroscopic mites (Demodex) living in our eyebrows.
The lizard Tuatara has a third eye for ultraviolet light (called a parietal eye.)
Coco de merThe biggest seed in the world is theCoco de mer (weighing up to 18 kg.)
babyBabies are born with more bones than adult.
honey mushroom fungusThe largest single living organism in the world is the Honey Mushroom fungus in Oregon, USA (covering 8.4 km and growing for 2,400 years.)
HydraThe water animal Hydra never gets old, and can live forever.
Baby alligatorsAlligators give birth to females in cold temperatures and to males when it's hot.
termite queenA queen termite can live up to 50 years.
Barbados ThreadsnakeThe Barbados Threadsnake is the smallest snake in the world.
brainThe right half of the brain controls the left side of our body muscles, and the left controls the right.
kangaroo rat (genus dipodomys)can spend its entire life without drinking water.
Hairy horror frogThe Hairy Horror Frog(Trichobatrachus robustus) breaks its own bones to make a claw for a fight.
Red blood cellsred blood cell takes 20 seconds to circulate around the human body.
Aa-choo!The average speed of a sneeze is around 160 km (100 mi) per hour.
Dolphin and whaleDolphins and whales don't drink water.
OvumThe ovum (female egg cell) is the largest cell in the human body.
Cracking knucklesThe cause of the popping sound produced by knuckle cracking is largely a mystery.
Thumb and noseThe length of your thumb is about the same as that of your nose.










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