33 Psychological Facts of Biology


1=>Doing things that scare you will make you more happier and a chemical called adrenaline released by the brain is responsible for it.

2=>Psychological Facts of Biology -> Humans share 50% of their DNA with bananas.It may be shocking but Psychologically it’s true.

3=>When someone cries tears of joy, the first teardrop would always come from the right eye. (Tears of pain starts from the left and tears of frustration comes from both eye)

4=>There are more living organisms in a 1 teaspoonful of soil than there are people alive on Earth.

5=>When you shiver in the cold, your body releases the exercise hormone irisin, which encourages your body to turn fat into heat.

6=>The relation between your thumb and your nose is – the length of your thumb is equal to the length of your nose.

7=>The Interaction Between Genes and Certain Environmental Factors Can Influence How a Child Develops during pregnency.

8=>When you sneeze, your tisues die for a milli second.

9=>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.

10=>Our bone marrow produces 260 billion red blood cells (RBCs) and 135 billion white blood cells (WBCs) per day.

11=>The same skin cells that make up a human vagina are the same type of cells that are in a human mouth.

12=>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.

13=>You can’t hum while holding or pressing your both side of nose tightly.If you will try this you will feel unconscious in short period of time.

14=>There are more bacteria in a human mouth than there are people in the world.During your lifetime, you will produce enough saliva to fill two swimming pools and Your nose can remember 50,000 different scents.

15=>Closing your eyes helps you remember things.It will stops all other activities and makes your concentration fully on your mind so it is easy to remember or visual that thing easily.

16=>Each day, our heart produces enough energy to drive a truck for 20 miles.

17=>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.

18=>Humans are the only animals who express shock and surprise by their mouths dropping open.

19=>Refined carbs can make you hungrier by interfering with messages the digestive system sends to the brain to signal it’s time to put down the doughnut.

20=>A 2004 brain-imaging study revealed that even thinking about a favorite food triggered release of dopamine, a feel-good hormone also produced during sex and drug use.

21=>An individual blood cell takes about 60 seconds to make a complete circuit of the body.

22=>Iron deficiency is the most prevalent form of malnutrition worldwide, affecting an estimated 2 billion people.Eradicating iron deficiency can improve national productivity levels by as much as 20 percent.(World Health Organization-WHO).

23=>Laughing raises both your energy expenditure and heart rate by about 10-20%. This means you could burn about 10-40 calories by laughing for 10-15 minutes.Laughing solidly for an hour or more for this calorie burning to have any meaningful effect on your body.

24=>Studies have traced cravings for high-calorie meals back to caveman days, when hunters and gatherers needed to store energy between unpredictable mealtimes. Now our cravings for fatty and sugary foods, which release chemicals that can trigger mild euphoria, spur obesity and diabetes.

25=>You are more similar to your siblings than you know:According to psychology, identical twins are 90% similar, fraternal twins are 75% similar and siblings brought up together are 50-75% similar, while siblings brought up in different places are 25% similar.

26=>There is enough DNA in an average person’s body to stretch from the sun to Pluto and back — 17 times

27=>Natural clones, also known as identical twins, occur in humans and other mammals. These twins are produced when a fertilized egg splits, creating two or more embryos that carry almost identical DNA.

28=>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.

29=>You are more similar to your siblings than you know:According to psychology, identical twins are 90% similar, fraternal twins are 75% similar and siblings brought up together are 50-75% similar, while siblings brought up in different places are 25% similar

30=>Without calories, your body will no longer be able to produce enough glucose for your big brain (and it needs a lot — about the daily equivalent of the sugar found in three cans of soda). Instead of shutting down, it resorts to using ketone, a fatty acid derivative. So keep eating food with more calories.

31=>People have over 10,000 subtle facial expressions that can express their emotions. Whats more impressive is that most people can pick up on these subtle changes. We have evolved to be able to recognize emotions via subtle changes in facial expression.

32=>In nature, some plants and single-celled organisms, such as bacteria, produce genetically identical offspring through a process called asexual reproduction. In asexual reproduction, a new individual is generated from a copy of a single cell from the parent organism.

33=>Every 7 years your body completely replaces itself. 25,000,000 of your cells died while you read this sentence. It’s okay though, your body made more than 300 billion new ones today. The cells that make up your body are dying and being replaced all the time. This happens so often that about every 7 years you have a completely new body of cells.

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