BLOOD AND ITS TYPES






Blood transfusions are a saving treatment for several Americans. Blood transfusions are required for several reasons, as well as surgery, when accidents, and for patients with chronic diseases and cancer.


Blood can not be unnaturally created, therefore doctors admit volunteer donations. to stay the blood provide safe, each donation is tested for blood group and checked for infectious diseases.







What are the parts of Blood?

All blood contains a similar basic component:


Red blood cells

white blood cells

platelets

plasma

But not everybody has a similar blood group.


What are the Blood Types?

Categorizing blood consistent with kind helps forestall reactions once somebody gets an insertion. Red blood cells have markers on their surface that characterize the cell kind. These markers (also referred to as antigens) are proteins and sugars that our bodies in North American country to spot the blood cells as happiness in us.


The two main blood teams are Australian Aborigine and Rh.


The Australian Aborigine blood system has four main types:


Type A: This blood group includes a marker referred to as A.

Type B: This blood group includes a marker referred to as B.

Type AB: This blood group has each A and B markers.

Type O: This blood group has neither A nor B markers.

Blood is classified as being either "Rh-positive" (meaning it's Rh factor) or "Rh-negative" (without Rh factor).




So, there are eight potential blood types:


O negative. This blood group does not have A or B markers, and it does not have antigens.

O positive. This blood group does not have A or B markers, however, it will have antigens. O positive blood is one of the 2 commonest blood varieties (the alternative being A positive).

A negative. This blood group includes a marker solely.

A positive. This blood group includes a marker and antigen, but not a B marker. together with O positive, it's one in every of the 2 commonest blood varieties.

B negative. This blood group has a B marker solely.

B positive. This blood group has a B marker and antigen, but not an A marker.

AB negative. This blood group includes a and B markers, but not antigens.

AB positive. This blood group has all 3 forms of markers — A, B, and antigen.

Having any of those markers (or none of them) does not build somebody's blood any healthier or stronger. It's simply a genetic distinction, like having inexperienced eyes rather than blue or straight hair rather than frizzly.


Why are Blood varieties Important?

The system is the body's protection against invaders. It will establish antigens as self or oneself. to induce an insertion safely, somebody's system should acknowledge the donor cells as a match to his or her own cells. If a match is not recognized, the cells are rejected.


The system makes proteins referred to as antibodies that act as protectors if foreign cells enter the body. betting on that blood group you've got, your system can build antibodies to react against alternative blood varieties.


If a patient gets the incorrect blood group, the antibodies at once commenced destroying the invasive cells. This aggressive, whole-body response will provide somebody a fever, chills, and low vital signs. It will even cause very important body systems — like respiration or the kidneys — to fail.


Here's AN example of how the blood type-antibody method works:


Let's say you've got type A blood. as a result of your blood containing the A marker, it makes B antibodies.

If B markers (found in blood type or group AB blood) enter your body, your type A system gets discharged up against them.

This means that you just will solely get a transfusion from somebody with A or O blood, not from somebody with B or AB blood.

In the same method, if you've got the B marker, your body makes A antibodies. therefore as someone with blood type blood, you may get a transfusion from somebody with B or O blood, however not A or AB.


Things are a bit completely different for individuals with group AB or group O blood:


If you've got each A and B marker on the surface of your cells (type AB blood), your body doesn't get to fight the presence of either.

Your body can have each A and B antibody and can so feel the requirement to defend itself against A, B, and AB blood.

A person with O blood will solely get a transfusion with O blood.





Can Teens donate Blood?

Blood transfusions are one of the foremost frequent saving procedures hospitals do. each a pair of seconds somebody wants a transfusion. thus there is invariably a necessity for blood donors. One blood donation will lay aside 3 lives.


About V-day of blood donors are high school and faculty students. If you would like to assist, contact your community blood center. It's a method to be AN everyday superhero and save lives!


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