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I would like to thank the contest organizer for giving us this informative task. And through this, we can learn about different parts of our body. And can learn how things work within us and what is the purpose of these things. Let's move towards my task:

Hematopoietic

Hematopoietic organs are responsible for the production and development of blood cells. It plays an important role in maintaining the red cells white cells and platelets in the body. And so it is essential for oxygen transport and blood clotting.

Bone Marrow:

Bone marrow is contained within the hollow bones inside a body. Specifically, it is a spongy tissue found in the sternum and ribs, which is a primary site of hematopoiesis. In adults, red blood cells produce white blood cells and red blood cells. It contains hematopoietic stem cells that tell different blood cells what types they are.

Spleen:

The spleen is located in the upper left part of our abdomen, just below the rib cage. The spleen acts as a filter in us which acts as a filter for the blood. It removes old red blood cells. Similarly, it also plays an important role in the production of lymphocytes. It also stores platelets and some white blood cells.

Liver:

The liver is a large organ of our body located on the upper right side of the abdomen. The liver plays an important role during fetal development by producing red blood cells before the bone marrow is fully functional. In adults, the liver helps remove old blood cells and recycle iron from hemoglobin.

Thymus:

The thymus is a small organ shaped like a butterfly. Which is located behind the sternum between the lungs. It is most active during childhood, but it shrinks when a person becomes an adult.

Lymph Nodes:

These are small bean-shaped structures located throughout our body. Most of them are found especially in the neck, armpits, and back. They contain white blood cells, which are mainly lymphocytes that help the body fight off foreign infections.

Blood Cell Functions

• Red blood Cell:

Red blood cells carry oxygen from the lungs to the tissues and carry carbon dioxide back to the lungs for exhalation.

• White Blood Cell:

White blood cells protect us from infection inside the body and attack and infection outside.

• Platelets:

Platelets play an important role in blood clotting to bleeding in the body.

These are two different processes involved in the production of blood cells in the body, which identify where hematopoiesis occurs.

• Medullary Hematopoiesis
• Extramedullary Hematopoiesis

Medullary Hematopoiesis

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It is present within the bone marrow and is a normal process of blood cell formation. It is mainly present in the bone marrow of the long bones of our body such as the ribs, sternum, and vertebrae.

A major site of hematopoiesis in healthy adults is the hematopoietic stem cells in the bone marrow that differentiate into blood cells. It differentiates between blood red cells, blood white cells, and platelets.

Extramedullary Hematopoiesis

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It is a production of blood cells outside the bone marrow. Common sites include the spleen, liver, and lymph nodes, but may also occur in other tissues during severe disease.

Extramedullary hematopoiesis usually occurs when the bone marrow cannot supply the body with enough blood cells or needs, as in bone marrow failure anemia, or blood disorders. Extramedullary hematopoiesis in adult children is usually abnormal and a sign of disease such as anemia and cancer.

A standard process of blood cell formation is medullary hematopoiesis. While extramedullary hematopoiesis is an emergency or uncommon procedure. And this happens when the bone marrow is compromised.

Hematopoietic Stem Cell (HSC)

The highest cell in the chart is the Hematopoietic Stem Cell (HSC), a multipotent undifferentiated organism that can separate into a wide range of platelets. It's two kinds:

• Myeloid Progenitor Cell
• Lymphoid Progenitor Cell

Myeloid Progenitor Line:

The Myeloid Progenitor Cell brings about a few unique sorts of platelets.

• Megakaryocyte:

An enormous cell that separates into platelets, which are fundamental for blood coagulation and wound mending.

• Eosinophil:

A kind of granulocyte (a white platelet) engaged with protecting against parasitic contaminations and in unfavorably susceptible responses.

• Basophil:

One more granulocyte that assumes a part in hypersensitive reactions and irritation.

• Erythrocyte:

These are red platelets answerable for conveying oxygen all through the body utilizing hemoglobin.

• Monocyte:

These separate into two sorts of cells:

• Macrophage:

A sort of white platelet that inundates and processes microorganisms, cell garbage, and dead cells.

• Dendritic Cell:

A specific cell catches antigens and presents them to Lymphocytes, starting a resistant reaction.

• Neutrophil:

The most plentiful sort of white platelet, neutrophils are the primary line of guard against contaminations, especially bacterial diseases.

Lymphoid Progenitor Line:

The Lymphoid Ancestor Cell separates into cells answerable for versatile resistance, the safe framework's exceptionally unambiguous reaction to microorganisms:

• T Cell:

Lymphocytes mature in the thymus and are basic for cell-intervened resistance. There are a few sorts of Lymphocytes, including partner Lymphocytes and cytotoxic Immune system microorganisms.

• B Cell:

B-cells are answerable for humoral resistance, which includes the creation of antibodies. They can differentiate into

• Plasma Cells:

Plasma Cells are specific for discharging a lot of antibodies that kill microorganisms.

• Natural Killer (NK) Cell:

These cells assume a part in the natural safe framework by recognizing and killing virally tainted cells and growth cells.

Here is the report of my quiz questions:

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Trauma From The Accident:

A crash can cause internal injuries that result in bleeding into smaller tissues and organs that are not immediately visible to us. Markings beneath the bruises indicate trauma to blood vessels under the skin, but more significant ones such as liver and stomach are likely to cause internal bleeding.

Fractured Femur:

The thigh bone is one of the largest and strongest bones in the body, but when it breaks, it can cause significant internal bleeding. The femoral bone has a rich blood supply and as a result of its fracture, the surrounding tissues also suffer significant blood loss.

Blood Vessel Damage:

This trauma damages the major blood vessels and due to the broken femurs in both legs and possibly other parts of the body, major blood vessels such as the femoral artery are affected, causing significant blood loss.

Compatible Blood Type:

The most important factor is blood type. If the patient's blood type is known to you, the donor should also have the same blood type. If the patient has O-positive blood, he can get O-negative and O-positive blood. Similarly, if the patient has an O-Negative, he can receive only an O-Negative. And if the patient's blood type is different like A, AB, and B then the donor should have a matching or universal donor blood group.

Age and Health:

For example, a blood donor must be an adult and healthy, usually between the ages of 18 and 65. It doesn't include any medical conditions like heart disease diabetes and recent infections

Free of Infection:

Donors should not have any transmissible disease. Like HIV and hepatitis etc.

Hemoglobin Level:

Blood donors should have normal hemoglobin levels to ensure that they can donate blood without risk.

Thank you so much for staying here. Here my task ends. Have a nice day.

I invite my friends @rumaisha, @josepha, and @ruthjoe to join this challenge.

Cc:
@aaliarubab, @dexyluz

_{Dated: 11-09-2024 About Me}