Types of blood cells and their functions pdf

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types of blood cells and their functions pdf

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The liquid component of the blood in which the following blood cells are suspended:. Red blood cells erythrocytes. These carry oxygen from the lungs to the rest of the body.

What to know about white blood cells

The liquid component of the blood in which the following blood cells are suspended:. Red blood cells erythrocytes. These carry oxygen from the lungs to the rest of the body.

White blood cells leukocytes. These help fight infections and aid in the immune process. Types of white blood cells include:. Blood cells are made in the bone marrow.

There are other organs and systems in our bodies that help regulate blood cells. The lymph nodes, spleen, and liver help regulate the production, destruction, and function of cells. The production and development of new cells in the bone marrow is a process called hematopoiesis. Blood cells formed in the bone marrow start out as stem cells. A stem cell or hematopoietic stem cell is the first phase of all blood cells. As the stem cell matures, several distinct cells evolve. These include red blood cells, white blood cells, and platelets.

Immature blood cells are also called blasts. Some blasts stay in the marrow to mature. Others travel to other parts of the body to develop into mature, functioning blood cells. Hemoglobin Hgb is an important protein in the red blood cells that carries oxygen from the lungs to all parts of our body.

The main job of white blood cells, or leukocytes, is to fight infection. There are several types of white blood cells and each has its own role in fighting bacterial, viral, fungal, and parasitic infections. Types of white blood cells that are most important for helping protect the body from infection and foreign cells include the following:.

Help heal wounds not only by fighting infection but also by ingesting matter, such as dead cells, tissue debris, and old red blood cells. The main job of platelets, or thrombocytes, is blood clotting. Platelets are much smaller in size than the other blood cells. They group together to form clumps, or a plug, in the hole of a vessel to stop bleeding.

A CBC count is a measurement of size, number, and maturity of the different blood cells in the blood sample. A CBC can be used to find problems with either the production or destruction of blood cells. Variations from the normal number, size, or maturity of the blood cells can be used to mean there is an infection or disease process. Often with an infection, the number of white blood cells will be elevated.

Many forms of cancer can affect the production of blood cells. For instance, an increase in the immature white blood cells in a CBC can be associated with leukemia.

Blood diseases, such as anemia and sickle cell disease, will cause an abnormally low hemoglobin. To aid in diagnosing anemia and other blood disorders and certain cancers of the blood; to monitor blood loss and infection; or to monitor response to cancer therapy, such as chemotherapy and radiation.

To evaluate bleeding and clotting disorders and to monitor anticoagulation anticlotting therapies. Search Encyclopedia. Overview of Blood and Blood Components What is blood? Blood is the life-maintaining fluid that circulates through the entire body. What is the function of blood? Blood carries the following to the body tissues: Nourishment Electrolytes Hormones Vitamins Antibodies Heat Oxygen Immune cells cells that fight infection Blood carries the following away from the body tissues: Waste matter Carbon dioxide What are the components of blood?

The components of human blood are: Plasma. The liquid component of the blood in which the following blood cells are suspended: Red blood cells erythrocytes. These carry oxygen from the lungs to the rest of the body White blood cells leukocytes.

These help in blood clotting. Where are blood cells made? What are the functions of blood cells? Protect you from foreign bodies that enter the blood stream, such as allergens. Are involved in the protection against mutated cells, such as cancer. What is a complete blood cell count CBC? The oxygen-carrying pigment in red blood cells Differential blood count To aid in diagnosing anemia and other blood disorders and certain cancers of the blood; to monitor blood loss and infection; or to monitor response to cancer therapy, such as chemotherapy and radiation.

Platelet count To diagnose and monitor bleeding and clotting disorders. Prothrombin time PT and partial thromboplastin time PTT To evaluate bleeding and clotting disorders and to monitor anticoagulation anticlotting therapies. The oxygen-carrying pigment in red blood cells Differential blood count. To diagnose and monitor bleeding and clotting disorders.

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Blood , fluid that transports oxygen and nutrients to the cells and carries away carbon dioxide and other waste products. Technically, blood is a transport liquid pumped by the heart or an equivalent structure to all parts of the body, after which it is returned to the heart to repeat the process. Blood is both a tissue and a fluid. It is a tissue because it is a collection of similar specialized cells that serve particular functions. These cells are suspended in a liquid matrix plasma , which makes the blood a fluid. If blood flow ceases, death will occur within minutes because of the effects of an unfavourable environment on highly susceptible cells.


Stem cells are multipotential cells (capable of developing into different types of blood cells). Some stem cells enter the blood and circulate. Red blood cells carry​.


Blood cells and its types with functions

Red blood cells, or erythrocytes, are one of the components of blood. The others are plasma, platelets and white blood cells. They are continuously produced in our bone marrow.

A blood cell , also called a hematopoietic cell , hemocyte , or hematocyte , is a cell produced through hematopoiesis and found mainly in the blood. Major types of blood cells include red blood cells erythrocytes , white blood cells leukocytes , and platelets thrombocytes. Red blood cells or erythrocytes , primarily carry oxygen and collect carbon dioxide through the use of hemoglobin. Red blood cells are circular, biconcave, disk-shaped and deformable to allow them to squeeze through narrow capillaries. They do not have a nucleus.

Blood cells are the cells which are produced during hematopoiesis and found mainly in the blood.

Blood cell

White blood cells circulate around the blood and help the immune system fight off infections. Stem cells in the bone marrow are responsible for producing white blood cells. When an infection or inflammatory condition occurs, the body releases white blood cells to help fight the infection. Health professionals have identified three main categories of white blood cell: granulocytes, lymphocytes, and monocytes. The sections below discuss these in more detail. Granulocytes are white blood cells that have small granules containing proteins. There are three types of granulocyte cells:.

White blood cells WBCs are a part of the immune system that helps fight infection and defend the body against other foreign materials. Different types of white blood cells are involved in recognizing intruders, killing harmful bacteria, and creating antibodies to protect your body against future exposure to some bacteria and viruses. There are several different types of white blood cells.

Red blood cell , also called erythrocyte , cellular component of blood , millions of which in the circulation of vertebrates give the blood its characteristic colour and carry oxygen from the lungs to the tissues. The mature human red blood cell is small, round, and biconcave; it appears dumbbell-shaped in profile. The cell is flexible and assumes a bell shape as it passes through extremely small blood vessels. It is covered with a membrane composed of lipids and proteins, lacks a nucleus , and contains hemoglobin —a red iron-rich protein that binds oxygen. The function of the red cell and its hemoglobin is to carry oxygen from the lungs or gills to all the body tissues and to carry carbon dioxide , a waste product of metabolism, to the lungs, where it is excreted.

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  • Blood is made of of several components, including red blood cells, white blood cells, platelets, and the plasma, which contains coagulation factors and serum. Manzur V. - 05.05.2021 at 09:35
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