Facts of human body; 10 interesting Facts that you should know but you may not know about you

10  Facts that you should know but you may not know about you

01. why is the blood red in colour?

The red colour of blood is due to red blood cells. Red blood cells contain a protein called haemoglobin. Haemoglobin contains iron. This iron reacts with oxygen from the lungs to give the red colour. (As Iron reacts with oxygen in the air to form rust)

Iron transports oxygen to our body organs. Oxygen and blood are bright red. Deoxygenated blood is dark red in colour. Iron molecules in haemoglobin are bound by a ring of atoms called porphyrin.

There is a kind of crab hanging blood in their body blue colour, because of their Oxygen transportation is done with the help of copper irons. 

02. Why do we feel sleepy when having a lot of foods having carbohydrates?

When you eat more starchy foods, the amount of sugar in the blood increases, more insulin is produced to control the amount of sugar, and then the chemical tryptophan goes to the brain. There it turns into serotonin and during the night we feel sleepy because of this serotonin which causes us to sleep naturally.

03. Why do obese people have more risk of heart problems? 

When growing up, the amount of fat deposited in the body increases and oxygen and nutrients must be provided for these extra fats. For this, extra blood vessel growth takes place and for 1 kg of fat, 5.5km lengths of extra blood vessel growth take place. Then the heart has to pump the blood an extra distance, so the pressure on the arterial walls increases because of the extra work.

04. What amount of blood in our body and what amount circulate in our lifetime?

The very interesting fact about our blood is 1,000,000 barrels of blood circulate throughout the heart during the normal lifetime of a human being and there are 5 to 6 litres of blood normally in our body and three times per minute this amount may go through our body. 

The amount of blood in the human body is generally equivalent to 7 per cent of body weight. The average amount of blood in your body is an estimate because it can depend on how much you weigh, your sex, and even where you live.

Babies: Babies born full-term have about 75 millilitres (mL) of blood per kilogram of their body weight. If a baby weighs about 8 pounds, they’ll have about 270 mL of blood in their body or 0.07 gallons.

Children: The average 80-pound child will have about 2,650 mL of blood in their body or 0.7 gallons.

Adults: The average adult weighing 150 to 180 pounds should have about 1.2 to 1.5 gallons of blood in their body. This is about 4,500 to 5,700 mL.

Pregnant women: To support their growing babies, pregnant women usually have anywhere from 30 to 50 per cent more blood volume than women who are not pregnant. This is about 0.3 to 0.4 additional gallons of blood.

05. What is the total length of blood vessels?

Blood has to travel a long distance through our bodies. All the blood vessels in the human body are approximately 60,000 miles long, which is twice the circumference of the globe.

06. What is the largest muscle in our body?

When we sit, we sit on top of the largest muscle in our body, which is located in our buttocks also called the gluteus maximus. Located at the back of the hip, It is one of the three gluteal muscles:

07. What is in one square inch of our skin?

it consists of About 65 hairs, about 9,500,000 cells, about 19 meters of blood vessels, about 650 sweat glands, about 70 meters of nerves, about 78 heat-sensitive devices, and about 1300 nerve endings to feel pain.

08. what amount of dust is produced from our skin? 

The skin of our body is constantly regenerated. Most of the dust in the house is the part of your body that leaves the skin, and 30,000-40,000 dead cells are removed from the outer skin per minute. About 500 g of the same are added to the environment every year and this is why there is dust in an air-conditioned room. Our skin renews itself every 27 days, and thousands of tons of dust that fill the world are caused by this exfoliation.

09. What is the capability of our eye simulated by? 

The sensitivity of the naked human eye can be compared to a 576-megapixel digital camera.

10. Why are the two lungs different? and what are interesting facts about lungs?

The difference between the two lungs has happened, the left lung has decreased in size to make room for the heart and the air we breathe enters the lungs. The total length of air ducts is approximately 2400km. The internal area of ​​the lungs is about 70 square meters, which is about the size of one side of a tennis court. The weight of both lungs of an average person is about 1.3kg.