Blood is a body fluid in humans and other animals that delivers necessary substances such as. Composition and functions of blood blood is a connective tissue that helps in the transportation of substances, protects against diseases and. The escaped fluid tissue fluid is similar in composition to plasma, but lower in protein. Need crystalloid colloid, unlikely to need rccs 3040% loss 15002000ml rapid volume replacement with crystalloid or synthetic colloid.
Blood agar is a generalpurpose enriched medium used to grow fastidious organisms and to differentiate bacteria based on their hemolytic properties. The plasma is the light yellow liquid portion of the blood and is about 90% water. Circulatory system blood composition and function dr. Blood is bright coloured, fluid connective tissue, which consists of two main parts. Blood composition or blood components like any tissue, blood consists of cells and extracellular components the extracellular matrix. Composition of blood 5 litre 55% plasma 45% cellular components composition of blood blood is slightly denser and approximately 34 times more viscous than water, blood consists of cells which are suspended in a liquid. Gut microbiota composition and blood pressure hypertension. Plasma is about 92% water, with plasma proteins as the most abundant solutes. Plasma the plasma is the light yellow liquid portion of the blood and is about 90% water. With regard to blood transfusion, cooperation among member states started back in the 1950s. Each red blood cell is about onethird hemoglobin, by volume.
When a sample of blood is spun in a centrifuge machine, they separate into the following constituents. It is a highly nutritious medium generally used as a basal medium for preparing blood agar by supplementation with blood. Objectives characteristics of blood composition of blood. Blood is a suspension of blood elements erythrocytes, leukocytes, and platelets in blood plasma.
Composition, functions and other details with diagram. Red blood cell transfusions are used to treat hemorrhage and to improve oxygen delivery to tissues. He published his theories in 1628 in his famous book on the motion of the heart and blood in animals. View and download powerpoint presentations on composition of blood ppt.
Blood, fluid that transports oxygen and nutrients to cells and carries away carbon dioxide and other waste products. Transfusion of red blood cells should be based on the patients clinical condition. Blood is a liquid connective tissue that contains cellular elements blood cells and fluid matrix plasma. The percentage of whole blood volume that is made up of red blood cells is called the hematocrit and is a common measure of red blood cell levels. It is mostly composed of dissolved proteins, mineral ions, glucose, clotting factors and carbon dioxide. Blood agar composition, principle, preparation and uses. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Ziser lecture notes, 2005 2 can be found in the blood project now underway to identify every chemical in blood serum plasma with clotting factors removed plasma proteins 8% of blood. It circulates throughout our body delivering oxygen and nutrients to various cells. Blood helps in the transportation of different substances throughout the body. Hence the blood has the task of assuring the exchange of substances. Vindya rajakaruna mbbs colombo functions of platelets in the absence of vessel damage, platelets are repelled from each other and from the endothelial lining of vessels the repulsion of platelets from an intact endothelium is believed to be due to prostacyclin produced with in the endothelium damage to the endothelium of vessels leads to.
Blood and blood components safety, quality, training and. This table explains the functions of various blood components. This lesson is going to cover the materials of which blood is composed. Composition of blood and its functions functions of. An average adult possesses around 56 litres of blood. Its composition and function the blood in our circulatory system is a watery based fluid and consists of two basic components. Composition of blood and its functions blood is a suspension of blood elements erythrocytes, leukocytes, and platelets in blood plasma. Blood and blood components are biological products and. Here is what we have learned from introduction to blood. Formation of tissue fluid as the blood enters the capillaries the high hydrostatic pressure forces some of the plasma out through the wall. This layer contains leukocytes leuko white, the white blood cells that act in various ways to protect the body, and platelets, cell fragments that help stop bleeding. Furthermore, it carries chemical messengers hormones to their target organs. White blood cells also called leukocytes white blood cells protect the body from infection. If youre studying the composition of blood and want to test your current knowledge, feel free to take this short quiz or complete the accompanying printable worksheet.
When an anticoagulated sample of blood is allowed to stand in a narrow tube, on settling it separates into two major components the cellular part blood cells or corpuscles and the fluid part blood plasma check out the composition of blood and brief description. Plasma, which is the fluid component that contains the different blood cells and substances of whole blood, represents 55 percent of whole blood. Different dietary cereal sources and fat types in the lactation diet were evaluated to investigate their effects on reproductive performance, milk composition, blood metabolites and hormones in. We will explore the parts that make up the solid and liquid portions of. Blood plasma is a mixture of proteins, enzymes, nutrients, wastes, hormones and gases. Blood elements can be separated from blood plasma using centrifugal force. It is typically tryptic soy agar or columbia agar base with 5% sheep blood. Blood is a mobile connective tissue composed of a fluid, the plasma and the cells, the blood corpuscles. These two tissue fractions or blood components are represented by. Formed elements 45%, i red blood cells erythrocytes. Therefore the remaining blood has a lower water potential and a lower hydrostatic pressure at the venule end the hydrostatic pressure is lower. Figure shows that the most descended are erythrocytes the volume of erythrocytes in a sample of blood is called the hematocrit. Blood appears red because of the large number of red blood cells, which get their color from the hemoglobin. Blood is a fluid connective tissue that consists of plasma, blood cells and platelets.
The specific composition and function of its components are as follows. The aim of this study is to investigate whether the composition of the gut microbiota in overweight and obese pregnant women is associated with blood pressure and levels of plasminogen activator. Study of blood and its disease is known as hematology. There the blood picks up oxygen and disposes of carbon dioxide. Pdf the whole blood which is a mixture of cells, colloids and crystalloids can be separated into different blood components namely packed red blood. Composition of blood plasma blood plasma is the straw colored liquid portion of the blood.
Pdf reproductive performance, milk composition, blood. Us5019402a composition and procedure for disinfecting. To describe the characteristics of the vital connective tissue called blood. Define blood plasma and list the components and their. Find powerpoint presentations and slides using the power of, find free presentations research about composition of blood ppt. Formed elements are the cellular components of the blood, and the liquid part is plasma. The liquid state of blood can be contributed to plasma as it makes up for 50% of blood. Blood consists of cellular material 99% red blood cells, with white blood cells and platelets making up the remainder, water, amino acids, proteins, carbohydrates, lipids, hormones, vitamins, electrolytes, dissolved gasses, and cellular wastes. We examined crosssectional associations between measures of gut microbial diversity and taxonomic composition and blood pressure bp in 529 participants of the biracial black and white cardia study coronary artery risk development in young adults. Descriptions of blood and blood disorders before the advent of laboratory studies pdf. Pdf overview of blood components and their preparation.
It contains erythrocytes, leucocytes, thrombocytes platelets and plasma the volume percentage of all blood cells in the whole blood is about 45% of adults hematocrit. Blood by the end of the lesson you should be able to. Well start by outlining the basic components of blood including. Now that weve talked about your blood vessels, were going to zoom in a little closer and talk about your blood itself. Composition, functions, transfusion and blood group. Our mission is to provide a free, worldclass education to anyone, anywhere. The cellular composition of blood varies from group to group in the animal kingdom. It provides the tissues with blood gases and nutrients and in exchange transports end products e. Acute blood loss need for rbc based on estimate of lost circulating volume 15% loss 750ml. It circulates throughout our body delivering oxygen and nutrients to various cells and tissues. In most such animals the blood passes through a respiratory exchange membrane, which lies in the gills, lungs, or even the skin. From the onset, the activities were inspired by the following guiding principles. Biology is brought to you with support from the amgen foundation.
The difference in the composition of blood peter banda essay medicine general publish your bachelors or masters thesis, dissertation, term paper or essay. There are many cellular structures in the composition of blood. These are the most abundant substance in plasma by weight and play a part in a variety of roles including clotting, defence and transport. The blood in our circulatory system is a watery based fluid and consists of two basic components. Gut microbiota composition and blood pressure request pdf. Blood, which consists of cells and cell fragments suspended in an intercellular matrix, is one of the connective tissues in the body. The venous blood normally has a lower ph than the arterial blood because of presence of more carbon dioxide. Blood is classified as a connective tissue and consists of two main components. Describe the components of blood and their relative proportions.
The composition of blood consists of various components, such as plasma, white blood cells, red blood cells and platelets. The composition is formed by adding a chlorine dioxide liberating compound with a weak organic acid and a heat activated saccharide. Problems with blood composition, the pumping action of the heart, or narrowing of blood vessels can have many consequences. Cellular components 99% red blood cells, with white blood cells and platelets making up the remainder. Plasma, white blood cells, red blood cells, platelets. State the composition of blood state the function of red blood cells and plasma explain the function of h slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.
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