Provide values for the physical parameters of the blood. Blood has a number of functions including transporting various materials around the body. Sep 26, 2014 main components of the blood are erythrocytes and leukocytes. Composition of whole blood, functions of formed elements, some disorders, hematopoiesis, hemostasis learn with flashcards, games, and more for free. Plasma protein tests are blood tests that detect the amount of proteins in the blood. It is mostly composed of dissolved proteins, mineral ions, glucose, clotting factors and carbon dioxide. Start studying anatomy chapter 10 composition and functions of blood. In terms of its tissue classification, blood is classified as a 1 because it has living blood cells, called 2, suspended in a nonliving fluid matrix called 3. Blood is a specialized connective tissue consisting of living cells, called formed elements, suspended in a nonliving fluid matrix, blood plasma. Describe the components of blood and their relative proportions. Blood is a suspension of blood elements erythrocytes, leukocytes, and platelets in blood plasma. Figure shows that the most descended are erythrocytes the volume of erythrocytes in a sample of blood is called the hematocrit. Because of the components found in your blood, it would be fair to say that another important function of blood is protection.
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. Studies on components of blood and its functions sheikh a the number of major recognized blood group systems is species dependent with cattle being the most complex and cats the simplest. Anatomy chapter 10 composition and functions of blood. This lesson is going to cover the materials of which blood is composed. Define blood plasma and list the components and their. Blood is composed of the blood cells which accounts for 45% of the blood tissue by volume, with the remaining 55% of the volume composed of plasma, the liquid portion of the blood. Blood will not come out of the wound continuously due to the blood clotting process.
Components of blood and their functions leadthecompetition. Two major functions of the blood include transporting substances to and from our cells and providing immunity and protection against infectious agents such as bacteria and viruses. To fulfill all these functions has different types of cells suspended in plasma. Aug 15, 2019 blood cells are the cells which are produced during hematopoiesis and found mainly in the blood. Hence the blood has the task of assuring the exchange of substances. Your blood helps you fight back infections and protects you from. Describe the basic structure of a capillary bed, from the supplying metarteriole to the venule into which it drains.
It is scarlet to dull red, depending on the amount of oxygen carried. Oct 07, 2017 class note on composition and functions of blood. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Types of white blood cells leukocytes normal white blood cell which increase with bone marrow. Blood is connective tissue, flowing through capillaries, veins, and arteries of all vertebrates. As it moves around the body it aids interchange between the fluid compartments, dissipates heat and distributes hormones, thus helping to. Tutorial blood cell morphology a clinical pathology 201. Composition of blood plasma blood plasma is the straw colored liquid portion of the blood. It circulates throughout our body delivering oxygen and nutrients to various cells. Blood is composed of the blood cells which accounts for 45% of the blood tissue by volume, with the remaining 55% of the volume composed of. Watch with your students a video about the four components of blood link to the video is provided. Distinguish between elastic arteries, muscular arteries, and arterioles on the basis of structure, location, and function. Blood in the arteries is a brighter red than blood in.
Apr 29, 2020 blood is the most important transport medium in the human body. Plasma proteins may have specialized functions, but they also contribute, along with other solutes, to the osmolarity and viscosity of the blood. Structure and function of blood biology for majors ii. 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. Structure and functions of blood vessels and vascular. Plasma the plasma is the light yellow liquid portion of the blood and is about 90%.
Structure and function of blood vessels anatomy and. It is a type of connective tissue specialized with a. The red color is characteristic due to the presence of hemoglobin in the red blood cells. Plasma proteins are a diverse group of large and small pro teins that perform numerous functions. 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 fluid connective tissue functions include transporting dissolved gases, nutrients, hormones, and metabolic wastes regulating ph and ion composition of interstitial fluids restricting fluid loss at injury sites defending the body against toxins and pathogens regulating body temperature by absorbing and redistributing heat. White blood cells also called leukocytes white blood cells protect the body from infection. Blood accounts for 7% of the human body weight, with an average density around 1060 kgm 3, very close to pure waters density of kgm 3. 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 is important for regulation of the bodys ph, temperature, osmotic pressure, the circulation of nutrients and removal of waste, the distribution of hormones from endocrine glands, and the elimination of excess heat. These include proteins, such as albumin, globulin and. What are the major components of blood and the functions of each component. The composition of blood consists of various components, such as plasma, white blood cells, red blood cells and platelets. This lab work is usually ordered as part of a comprehensive metabolic panel cmp during a physical exam. To specifically look at the formed elements of erythrocytes red blood cells. Blood characteristics more viscous than water, flows slowly than water 8 % of total body weight blood volume 5 to 6 l in male 4 to 5 l in female transportation o 2, co 2, metabolic wastes, nutrients, hormones regulation temperature, ph, fluid volume.
It is composed of blood cells and an aqueous fluid known as plasma. 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. Jul 28, 2019 red blood cells have a unique structure. Composition, functions and other details with diagram.
Its composition and function the blood in our circulatory system is a watery based fluid and consists of two basic components. Blood appears red because of the large number of red blood cells, which get their color from the hemoglobin. Arteries carry blood away from the heart and veins carry blood back toward the heart. While students are watching the video, they will fill out the worksheet. Our blood is a fluid that is also a type of connective tissue. Blood, fluid that transports oxygen and nutrients to cells and carries away carbon dioxide and other waste products. To describe the characteristics of the vital connective tissue called blood. Characteristics of blood blood is a fluid tissue connective tissue. Blood is a mobile connective tissue composed of a fluid, the plasma and the cells, the blood corpuscles. Their flexible disc shape helps to increase the surface areatovolume ratio of these extremely small cells. 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. The venous blood normally has a lower ph than the arterial blood because of presence of more carbon dioxide. Transports substances and maintains a stable environment blood cells.
Color test tubes and label the four components of blood. Blood functions of blood transporting nutrients respiratory gases waste products distributing body heat components of blood a type of connective tissue formed elements living blood cells plasma nonliving fluid matrix. Plasma is a yellowish liquid that contains the other components of the blood as well as many different substances. It transports gases oxygen, carbon dioxide, nitrogen etc. It contains plasma, red blood cells, white blood cells, and platelets. Illustrate the proportions of the major components of the blood plasma and cells. Hematocrit is essentially a measure of the formed elements in a persons blood. Objectives characteristics of blood composition of blood.
Your blood contains many chemicals, not just red and white blood cells blood chemistry tests are among the most common diagnostic tests performed to detect and diagnose illnesses. What are the major components of blood and the functions. Plasma, which is the fluid component that contains the different blood cells and substances of whole blood, represents 55 percent of whole blood. What are the types, the composition, and what is rhogam. Blood chemistry indicates hydration levels, whether or not an infection is present, and how well organ systems are functioning. Protection of inner lining of blood vessels due to adhesive property and initiates the process of blood clotting are the main functions of thrombocytes. Tunica externa the outermost layer is the tunica externa or tunica adventitia, composed entirely of connective fibers and surrounded by an external elastic lamina which functions to anchor. Like all body tissues, blood serves multiple functions necessary for life as a defense against infection, gas exchange and distribution of nutrients. Blood vessel structure and function boundless anatomy. Blood is carried through the body via blood vessels. Blood is the most important transport medium in the human body. Composition, functions, transfusion and blood group.
Plasma, which constitutes 55% of blood fluid, is mostly water 92% by volume, and contains proteins. Home clinical biochemistry what is the composition of blood. What are the major components of blood and the functions of. The average adult has a blood volume of roughly 5 litres 11 us pt or 1. Composition of blood and its functions functions of. William harvey 15781657 was discoverer of process of the blood circulation in 1628. Tutorial blood cell morphology louisiana state university health sciences center department of pathology new orleans, louisiana by carolyn sue walters, mhs, mtascp. It is the liquid component of blood and transports blood cells throughout the body along with nutrients, waste products, antibodies, clotting proteins, chemical messengers such as hormones, and proteins that help maintain the bodys fluid balance. All cells that comprise the blood are produced in the bone marrow.
Plasma the plasma is the light yellow liquid portion of the blood and is about 90% water. September 26, 2014 by shyam chathuranga 3 comments. Blood college of saint benedict and saint johns university. This viscosity is vital to the function of blood because if blood flows too easily or with too much resistance, it can strain the heart and lead to severe cardiovascular problems. Blood transports digested food materials such as glucose, amino acids and fatty acids to various body parts.
Humans belong to the natural classification group of animals. Blood elements can be separated from blood plasma using centrifugal force. Circulatory system blood composition and function dr. We will explore the parts that make up the solid and liquid portions of. Composition, functions, transfusion and blood group blood is a red colour pigment that circulates in the body. Blood composition and function complete the following description of the components of blood by writing the missing words in the blanks. Basically the function of the cardiovascular system as a whole is to transport oxygen and nutrients throughout the body while carrying wastes away from tissuesall via the blood continuously circulating the body. The major components of the blood are plasma, red blood cells, white blood cells and platelets. This enables oxygen and carbon dioxide to diffuse across the red blood cells plasma membrane more readily. Recall that since the formed elements are made up of rbcs, wbcs, and platelets, a hematocrit is the percent of blood cells divided by the total blood seeing as over 99% of cells in the blood are rbcs.
Blood is a fluid connective tissue that consists of plasma, blood cells and platelets. While each has very different functions, they all work together to. Blood is composed of a nonliving fluid matrix plasma and formed elements figure 10. Explore the composition of blood, types and functions only at byjus. An average adult person contains 5 to 6 liters of blood in his body. This leukocyte is the most numerous of the wbcs and protects the body from invading microorganisms by taking them into their own cell bodies and digesting them phagocytosis. Blood is a fluid connective tissue which circulates in the body. Feb 09, 2017 blood composition and its functions on 17. Blood cells are the cells which are produced during hematopoiesis and found mainly in the blood. Animal blood groups are typed to aid in the matching of donors and recipients ant to identify breeding pairs potentially at risk of causing.
If youre injured the blood comes out of your wound. Blood composition and functions flashcards quizlet. Composition of blood and its functions functions of cells and. Define the transportation, regulation, and protection functions of the blood. Blood is a tissue composed of a cellular part and a noncellular liquid part. Structure and functions of blood vessels and vascular niches in bone.
It is a fluid connective tissue derived from mesoderm. Blood, fluid that transports oxygen and nutrients to the cells and carries away carbon dioxide and other waste products. Functions of blood system biologymad alevel biology. Blood composition, function, and hematocrit inside einstein. Red blood cells, white blood cells, platelets blood volume and. Describe the structure and function of blood in the body. Clotting i when platelets encounter damaged blood vessels, they break open and release chemicals called clotting factors into the.
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