Chapter 10 blood composition and functions of blood pdf

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chapter 10 blood composition and functions of blood pdf

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Blood is a connective tissue that helps in the transportation of substances, protects against diseases and regulates the temperature of the body. Do you know why the colour of blood is red? It is red in colour due to a red pigment called haemoglobin present in its red cells.

These are classified as blood components prepared in the blood transfusion centre red cells, platelets, fresh frozen plasma and cryoprecipitate or plasma derivatives manufactured from pooled plasma donations in plasma fractionation centres such as albumin, coagulation factors and immunoglobulins. Plasma derivatives are covered by the Medicines Act and, like any other drug, must be prescribed by a licensed practitioner. Since , as a vCJD risk-reduction measure, all plasma derivatives used in the UK are manufactured using donations from countries with a low risk of vCJD. Whole blood is now rarely used for transfusion.

Blood: Composition, Functions, Transfusion and Blood Group

Blood is composed of plasma and three types of cells: red blood cells, white blood cells, and platelets. Left tube: after standing, the RBCs have settled at the bottom of the tube. Blood is a circulating tissue composed of fluid, plasma, and cells. The cellular components of blood are erythrocytes red blood cells, or RBCs , leukocytes white blood cells, or WBCs , and thrombocytes platelets. Although it consists of cells suspended in fluid, blood is still considered a tissue as it is technically a type of extracellular matrix.

Overview of Blood [link opens in new window]. Blood type refers to the presence or absence of specific molecules, called antigens, on the red blood cell RBC RBC surface. Antigens are molecules, such as proteins, lipids, carbohydrates or nucleic acids, that your body can use to differentiate self and non-self. People with different blood types have different antigens on their RBCs. Antibodies are produced in response to some antigens non-self , and are generally used by the immune system to recognize and facilitate removal of objects viruses, bacteria, tumorous cells, etc. There are more than 50 blood types in the human population. A and B antigens are glycoproteins on the RCC surface.

Blood function and composition

You know what blood is — it's that red stuff that oozes out if you get a paper cut. But what is blood, really, and what does it do? Blood is needed to keep us alive. It brings oxygen and nutrients to all the parts of the body so they can keep working. Blood carries carbon dioxide and other waste materials to the lungs, kidneys, and digestive system to be removed from the body.

Blood is a body fluid in humans and other animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from those same cells. In vertebrates , it is composed of blood cells suspended in blood plasma. Albumin is the main protein in plasma, and it functions to regulate the colloidal osmotic pressure of blood. The blood cells are mainly red blood cells also called RBCs or erythrocytes , white blood cells also called WBCs or leukocytes and platelets also called thrombocytes. The most abundant cells in vertebrate blood are red blood cells.

Find GPs in Australia. The formed elements are so named because they are enclosed in a plasma membrane and have a definite structure and shape. All formed elements are cells except for the platelets, which are tiny fragments of bone marrow cells. Leukocytes are further classified into two subcategories called granulocytes which consist of neutrophils, eosinophils and basophils; and agranulocytes which consist of lymphocytes and monocytes. The formed elements can be separated from plasma by centrifuge, where a blood sample is spun for a few minutes in a tube to separate its components according to their densities. This volume is known as the haematocrit. WBCs and platelets form a narrow cream-coloured coat known as the buffy coat immediately above the RBCs.


Chapter Blood. Composition and Functions of Blood. 1. 1. Connective tissue. 2. Formed elements. 3. Plasma. 4. Clotting. 5. Erythrocytes. 6.


Cryoprecipitate packs

Сьюзен надеялась, что с ним все в порядке. Ей трудно было поверить, что он в Испании. Чем скорее будет найден ключ и все закончится, тем лучше для .

Его массивная шея зажала ей рот, и Росио чуть не задохнулась. Боже, поскорей бы все это закончилось, взмолилась она про. - Si. Si! - вскрикивала она в интервалах между его рывками и впивалась ногтями ему в спину, стараясь ускорить его движения.

Blood: Composition, Functions, Transfusion and Blood Group

 Вы отлично знаете это. Это Цифровая крепость. - Вот как? - снисходительно произнес Стратмор холодным как лед голосом.

What's Blood?

Попробовал пошевелиться и ощутил резкую боль. Попытался что-то сказать, но голоса не. Зато был другой голос, тот, что звал. Кто-то рядом с ним попытался его приподнять.

На этом Мидж капитулировала: - Хорошо. Доброй ночи.  - Она двинулась к двери. Когда Мидж проходила мимо, Бринкерхофф по выражению ее глаз понял, что она и не думает сдаваться: чутье не позволит ей бездействовать. Бринкерхофф смотрел на массивную фигуру директора, возвышающуюся над письменным столом. Таким он его еще никогда не. Фонтейн, которого он знал, был внимателен к мелочам и требовал самой полной информации.

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  • Chapter Blood. Blood Composition. Complete the following description of the components of blood by writing the missing words in the answer blanks. dowe. Wendy B. - 04.05.2021 at 15:55
  • See also Overview of Blood. Pedosifo1972 - 09.05.2021 at 04:17

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