A Series of Shocking Facts About Human Blood - OCSEHAT

A Series of Shocking Facts About Human Blood



Blood is an important component that the body needs. Without blood, the organs in your body cannot work optimally. Interestingly, blood holds many surprising facts that you might never have imagined before. Come on, take a look at various facts about blood in the following review.

Blood acts as a means of transportation


Blood is a red liquid that makes your body work normally. In the body, this fluid acts as a means of transportation whose duty is to transport nutrients, oxygen, hormones, and various other important compounds to the parts of the body that need it.

At the same time, this liquid is also tasked with carrying waste substances that are no longer useful to the system of excretion or disposal, including in the kidneys, lungs and liver.

This liquid also helps fight germs or bacteria that cause disease that attacks the immune system.

There is one last thing you might not have thought about before. This liquid also acts to bring heat to the skin. Yes, this fluid can make the outside of your body (such as your fingers and toes) stay warm because the heat created in the center of the body, such as the heart and muscles, is carried into the area.

The amount of blood volume of children and adults is the same



Quoting LiveScience, Daniel Landau, a hematologist and cancer specialist at the University of Florida Cancer Center, said that the body of healthy adults contains around 4-5 liters on average.

If you lack blood, you might lose about 8-10 percent of your total body weight. So, if you have a weight of 54 kilograms, then about 4-5 kilograms of your total body weight is blood.

In addition, you might think that the amount of blood in adults and children is different. In fact, the volume in adults and children is actually the same. However, because the size of organs in a child's body is relatively smaller, the volume of fluid that fills their body appears more.

Blood is made of many components



The red liquid that flows in your body consists of several components. Each component has its own functions and tasks. In general, the following various liquid constituent components are the source of this life.

1. Blood plasma

More than half the components of this liquid are blood plasma. This clear yellow liquid contains 92 percent water, while the remaining 8 percent is an attachment of sugar, fat, protein, and salt.

The main task of plasma fluid is to transport all blood cells with nutrients, antibodies, waste products, proteins, and even hormones to the parts of the body that need them. Plasma fluid also functions to balance the volume of blood and salt, including potassium, sodium, calcium, chloride, bicarbonate, and magnesium.

2. Erythrocytes

Red blood cells, or also called erythrocytes are the cells most contained in the blood. Per second, the human body can produce about 2 million erythrocytes and it is estimated that there are around 150 billion erythrocytes in every 1 ounce of your blood. Interestingly, stress can make the body produce erythrocytes 7 times more than that amount!

Apart from the most, this cell also has an important task. Together with hemoglobin, erythrocytes are responsible for carrying oxygen from the lungs throughout the body and to reclaim carbon dioxide from the entire body to the lungs. Hemoglobin itself is a special protein that gives red color to erythrocytes.

This cell is round and in the middle there is a basin (bikonkaf) which if observed using a special tool looks like a donut. Unlike many other cells, erythrocytes do not have nuclei (cell nuclei), so they can change shape easily. This is what makes it easy for erythrocytes to pass through various vessels in your body.

Erythrocytes in bone marrow production and can survive around four months or 120 days. The percentage of the volume of all blood which only consists of erythrocytes is called a hematocrit.

3. Leukocytes

In the body, the amount of leukocytes or white blood cells is indeed small, which is about 1 percent of your total blood volume. Even so, the task of leukocytes should not be underestimated. Leukocytes are responsible for fighting infections of viruses, bacteria, and fungi that trigger the development of disease. This is because white blood cells produce antibodies that will help fight these foreign substances.

Same as erythrocytes, leukocytes are also produced in the bone marrow with a variety of different types, including lymphocytes, basofi, eosinophils, neutrophils, and monocytes. All types of leukocytes have the same task to maintain the immune system, so that you avoid infections that cause disease. Depending on the type, leukocytes can survive long enough, whether on a matter of days, months, or years.

4. Platelets

Unlike erythrocytes and leukocytes, platelets are not actually cells, but are very small cell fragments. Platelets have an important role in the process of blood clotting (coagulation). When you experience a wound, platelets will form a blockage with the fibrin thread to stop bleeding while stimulating the growth of new tissue in the injured area.

In the blood, normal platelet counts range from 150 thousand - 400 thousand per blood microluter. If the number of platelets in the body is higher than the normal range, then you run the risk of developing blood clots that can cause stroke and blood attacks.

Conversely, if your platelets are lower than the normal range, then you run the risk of experiencing heavy bleeding because the blood is hard to clot.

Human blood consists of many types


Did you know that everyone has a different type of blood (gold)? This gold difference is based on the presence or absence of antigen in erythrocytes and plasma fluids. Antigens themselves are grouped into eight basic gold, namely A, B, AB, and O. Each type of gold can be positive and negative.

In general, the following is a brief explanation of each of the gold coins.


  • A: You only have A antigen in erythrocytes and B antibodies in plasma fluid
  • B: You only have B antigens in erythrocytes and A antibodies in plasma
  • AB: You have antigens A and B in erythrocytes, but you don't have antibodies A and B in the plasma
  • O: You don't have antigen A and B in erythrocytes, but you have antibiotics A and B in the plasma

Some people also have additional markers on their blood. This additional marker is called rhesus (Rh factor), which is grouped again as "positive" or "negative" (meaning no Rh factor). For example, your gold might be A + (positive), while your friend is B- (negative).

You don't need to worry if you don't have additional markers. Because the presence or absence of additional markers will not make you healthier or stronger. Additional markers are only a matter of genetic differences, such as having blue eyes or red hair.

Only a few people with AB gold are negative


Are you Gold AB negative? Congratulations! You belong to a unique category of people. Because the gold is fairly rare. Only a handful of people have gold AB. This has even been proven by experts.

Quoting from the Medical Daily page, experts from Standford School of Medicine found the proportion of gold in a community group.


  • A positive: 35.7 percent
  • A negative: 6.3 percent
  • B positive: 8.5 percent
  • B negative: 1.5 percent
  • AB positive: 3.4 percent
  • AB negative: 0.6 percent
  • O positive: 37.4 percent
  • O negative: 6.6 percent

Now, from the findings above it is very clear that compared to other gold, the negative AB gold has a smaller proportion. Even so, the results of this study cannot be used as a reference that only a few people have negative AB gold in each country. This is because the proportion of gold in one group will depend on the ethnic background and the territory of the country.

For example blood type B is more commonly found in Asians, while blood type O is found in Latin America.

Hematologist, doctor who handles blood problems


If you experience health problems related to blood, you can consult a hematologist. Hematology specialists have the duty to diagnose, treat, and prevent various diseases related to blood. Including, cancer and non-cancer that affect blood components and / or organs that produce this fluid, such as the spleen, bone marrow, and lymph nodes.

Before deciding to consult a hematology specialist, you are advised to look for as much information as possible that you will choose. You can find information from trusted hospital websites, ask your doctor directly, read patient testimonials from forums on the internet, or even get information from nurses or employees at the hospital where the doctor practices.

Well, when you have found the right hematology specialist, ask all the things you really want to be asked. Starting from health conditions, disease progression, to treatment options that you might receive. An experienced professional doctor will explain all the questions you ask well.

Blood donors have many benefits

Blood donors not only benefit the recipient, but also benefit the donor. Here are some of the benefits of blood donation that you should know:

1. Make happier


A study in the field of psychology shows that donors who want to help a person at a lower risk experience premature death than those who donate because of their own interests or don't even donate at all.

Not only that, contributing things that are priceless to those in need will also make us feel happier. This happiness can be grown because you feel useful and useful for others.

2. Prevent heart disease


This life-saving activity can reduce blood viscosity if done regularly. Blood viscosity itself is one of the factors that play a role in increasing the risk of heart disease.

If the blood flowing in the body is too thick, the risk of friction between blood and vessels is also higher. If there is already friction, then the vessel wall cells can be damaged which eventually triggers a blockage (atherosclerosis).

3. Helps to lose weight


Are you planning to lose weight? Try a blood donor routine. Because, this activity can be an effective way to burn calories that accumulate in the body.

Based on a study conducted by researchers from the University of California, San Diego, USA, the average adult can burn 650 calories when giving 450 ml of his blood, you know! Even though it is effective in burning calories, it is important to remember that this activity cannot be used as an option for weight loss programs.

You still have to apply a healthy lifestyle by paying attention to your food and exercise intake regularly so you can achieve your ideal body weight.

4. Reducing the risk of cancer


By becoming a donor, you mean helping the body in removing excess iron that builds up in the body. In the right amount, iron does offer many benefits for the body.

Conversely, too much iron accumulation in the body can increase free radicals which can trigger premature aging and cancer. At least that was found by one of the studies published in the Journal of the National Cancer Institute.

5. Detect serious diseases


This one activity can be one way to know how your health condition is, you know. Because, when you want to do this activity, you will first be checked for health.

Your doctor will thoroughly check your health condition, ask for a medical history, and carry out laboratory tests to ensure that you are in good condition. So besides helping other people who need blood, you can also get a free health check.

Not everyone can be a blood donor


Even though it is useful, you should not do this noble activity. Because, there are many conditions that you must fulfill before doing so.

Before the donor, make sure that you meet the mandatory requirements below.


  • Physically and mentally healthy.
  • 17-65 years old.
  • Has a minimum weight of 45 kg.
  • The minimum systolic pressure is 100-170, and the diastolic pressure is 70-100.
  • Hemoglobin levels range from 12.5 g / dl to 17 g / dl.
  • Donor interval at least 12 weeks or 3 months since the previous drilling.

Apart from those mentioned above, there are also some health conditions that make you not allowed to do this noble activity. Look carefully at the following list.


  • Fever
  • Flu
  • Heart disease
  • Lung disease
  • Cancer
  • Hypertension
  • Diabetes mellitus (diabetes)
  • HIV / AIDS
  • Epilepsy or seizures
  • Hepatitis B or hepatitis C
  • Sexually transmitted diseases, including gonorrhea, syphilis, and so on.
  • Alcoholism
  • Drug users

There may be many other medical conditions that have not been mentioned above. If in doubt, you can ask your doctor or medical officer directly before you make a blood donor.

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