Facts Related to Blood

, Health A2Z


There are several facts related to blood, it is the fluid that gives oxygen to the body’s cells. It is a specialized type of connective tissue composed of red blood cells, platelets and white blood cells suspended in a liquid plasma matrix.


These are the basic concepts, but there are also much more surprising facts; For example, blood is about 8% of your weight and contains traces of gold.


While humans have red blood, other organisms have the blood of different colors including;


  • Crustaceans, spiders, squids, octopus and some arthropods have blue blood.


  • Some types of worms and leeches have green blood. Some species of sea worms have purple blood.


  • Insects, including beetles and butterflies, have colorless or pale yellow blood.


The colour of the blood is determined by the type of respiratory pigment used to deliver oxygen through the circulatory system to the cells.


The respiratory pigment in humans is a protein called haemoglobin in red blood cells.


12 Fascinating Facts Related to Blood


Here are 12 fascinating facts related to blood include:


All blood is red like humans have red colour blood but other organisms have different blood colour.


The human body contains about a gallon of blood such as 1.325 gallons of blood. The blood makes up about 8 per cent of a person’s total body weight.


Blood consists mostly of plasma–  Blood circulating in the body is composed of about 55 per cent the plasma, 40 per cent of the red blood cells, 4 per cent of the platelets, and only 1 per cent of the white blood cells. Of the white blood cells in blood circulation, neutrophils are the most abundant.



White blood cells are necessary for the pregnancy- The white blood cells are important for the healthy immune system. They contain macrophages that are prevalent in reproductive system tissues. These are also needed for the development of blood vessel systems in the ovary.

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There’s gold in the human blood- The human blood contains metals atoms including iron, chromium, gold, manganese, zinc, lead, and copper.



Blood cells originate from stem cells- All blood cells originate from the hematopoietic stem cells of the body. Approximately 90-95 per cent of the blood cells are produced in the bone marrow.



Blood cells have different lifespans- Matured human blood cells have different life cycles. Red blood cells circulate in the body for about 4 months, white blood cells range from a few hours to several days, and platelets for about 9 days.



Red blood cells have no nucleus- Mature red blood cells do not contain a nucleus, ribosomes, or mitochondria.


  • The blood proteins protect against carbon monoxide poisoning.


  • Capillaries spit out blockages in the blood that are followed by oxygen deprivation and nerve damage.


  • Ultraviolet (UV) rays help in reducing blood pressure- Exposer of a person’s skin to rays of the sun helps in reducing blood pressure by causing levels of nitric oxide to rise in the blood.


  • Blood types vary by population- Blood type distributions vary by the population.



What Are the Main Functions of Blood?

There are four main components of blood: plasma, red blood cells, white blood cells, and platelets. Blood has many different functions, like- transporting oxygen and nutrients to the lungs and tissues. Forming blood clots to prevent excess blood loss.


How Quickly Does Your Body Make Blood?


The body will replace the blood volume (plasma) within 46-48 hours. It will take four to eight weeks for the body to completely replace the red blood cells you donated. The average adult has eight to 12 pints of blood.


I hope you’ll get sufficient information about Facts Related to Blood and how it works. On a serious note if you feel any health-related issue then consult a doctor as earlier as you can. Buy medicines for blood pressure from your nearby pharmacy at a cheaper price from GoMedii.

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