They are leukocytes, with the absence of granules in their cytoplasm. Hence, blood plasma transfusions are given to patients with liver failure and life-threatening injuries. Blood agar, like most other nutritional media, has one or more protein sources, salt, and beef extract for vitamins and minerals. Red blood cells consist of Haemoglobin, a protein. Question 1. Question 4: Define the following terms Diapedesis. (d) The human lungs have been designed to maximise the exchange of gases as there are millions of alveoli in the lungs which provides a large surface area for the exchange of gases. Describe its composition.? Which of following in the body’s largest blood vessel? There are many cellular structures in the composition of blood. b)Pyrite. After clotting, a straw-coloured fluid called serum is left. As the lymph is derived from the intestinal fluid, its composition frequently changes as the blood and the surrounding cells repeatedly swap over materials with the intestinal fluid. 12. Composition of the Blood. Voice Call. NTPC भर्ती 202: 50 इंजीनियरिंग एग्जीक्यूटिव ट्रेनी (ETT) पदों पर GATE के माध्यम से भर्ती, आवेदन करें @ntpccareers.net, BPSC AAO Recruitment 2021 for 138 Assistant Audit Officer Post @bpsc.bih.nic.in, Check Details, SSC CHSL 2021 Exam Not Postponed (Commission Confirmed Officially): Tier-1 Exam will be held as per schedule following COVID-19 Guidelines, UKPSC Mains Exam Schedule 2021 for ARO, Translator and other Released @ukpsc.gov.in, Check Details, SSC CHSL 2021 Tier-1 Exam Memory Based Indian Polity Questions with Answers: Get General Awareness/ GK Solved Paper, SSC CHSL 2021 Exam Memory Based Geography Questions with Answers: Get Tier-1 Solved General Awareness/ GK Paper. Understand the composition and functions of blood. Neutrophil helps in the destruction of bacteria with lysosomes, and it acts as a strong oxidant. They are further classified into monocytes and lymphocytes. Also, relearn the concept of the lymphatic system. People who do not have this antigen in their blood are called Rh-. In the circulatory system, blood flows through three types of blood vessels: Arteries, veins, and capillaries. Lymph returns proteins and also surplus intestinal fluid to … The nucleus is 2 to 5 lobed and cytoplasm has very fine granules. The constancy of the composition of the blood is made possible by the circulation, which conveys blood through the organs that regulate the concentrations of its components.In the lungs, blood acquires oxygen and releases carbon dioxide transported from the tissues.The kidneys remove excess water and dissolved waste products. b) Capillaries. It is made up of collagen and also supported by the elastic lamina in arteries. WBC is also known as leukocytes. 3 /mm. RBCs are produced in the spleen and the bone marrow and live for about four months because they lack a nucleus. The granulated cells include- eosinophil, basophil, and neutrophil. If you're seeing this message, it means we're having trouble loading external resources on our website. White blood cells are responsible for fighting foreign pathogens (such as bacteria, viruses, fungi) that enter our body. It contains plasma, red blood cells, white blood cells, and platelets. These cells have their own functions and roles to play in the body. The life of the RBC is about 100-120 days. The digested nutrients such as glucose, vitamins, minerals, and proteins are absorbed into the blood through the capillaries in the villi lining the small intestine. These cells are present in high concentrations in the digestive tract. It is pale yellow in colour and when separated, it consists of salts, nutrients, water and enzymes. Erythroblastosis Foetalis: If the father's blood is Rh+ and the mother's blood is Rh- then the child to be born dies at the pregnancy or short span of time after birth. In adults, this amounts to 4.5-6 quarts of blood; Carries out the critical functions of transporting oxygen and nutrients to our cells; Gets rid of carbon dioxide, ammonia, and other waste products; Plays a vital role in our immune system The functions of plasma are as follows: It helps in blood clotting at the wounds. Lymph is similar to blood plasma but colorless and contains less protein. It derives its oxygen requirement directly from the cold, oxygen-rich water where it lives. c) Pulmonary vein. It carries digested food from the small intestine to all parts of the body. WBCs mainly contribute to immunity and defence mechanism. Haemoglobin in RBC picks up oxygen in the lung tissues by forming a chemical compound with it. Blood absorbs oxygen from the lungs and transports it to different cells of the body. It supplies essential substances and nutrients to cells and carries waste away. Answer: The process in which the leucocytes or white blood cells squeeze out through the walls of blood capillaries at the site of injury to fight against pathogens. The only vertebrate without haemoglobin is the crocodile icefish. 3. - Normal blood pH is 7.35 – 7.45. Required fields are marked *, Request OTP on The rest consists of liquid plasma (e.g. d) Heart. Aorta is one of the main arteries that arise from the heart and branches further. Composition of Blood, Plasma (55% of blood, 92% water, 8% solutes), Red blood corpuscles (erythrocytes), White blood corpuscles (leucocytes), Blood platelets. 6 /mm. Composition of Blood: Plasma, RBCs, WBCs and platelets. ... NCERT Solutions For Class 10. Very Short Answer Questions. Almost any animal that possesses a circulatory system has blood. What is Blood Pressure and how it is measured? This discussion on What is blood? Also Read: Difference between Plasma and Serum. The content contained in these pages is also in the Class Notes pages in a narrative format. Let us study in detail about the composition and function of blood, its components, blood transfusion, blood pressure, and blood group. Neutrophils are also the first cells of the immune system to respond to an invader such as a bacteria or a virus. The liquid state of blood can be contributed to plasma as it makes up  ~55% of blood. Blood is primarily broken down into the following components: Sinusoids are very small vessels predominantly located inside the bone marrow, liver and spleen. Sinusoids are a special type of wider capillaries present in bone marrow, liver, lymph nodes, spleen and some endocrine glands. Also, understand the differences between RBCs and WBCs by practising with TopperLearning’s textbook solutions. It was initially found in the rhesus monkey and later in man. d) Myoglobin. Tunica Externa: It surrounds tunica media. RBCs are the most copious blood cells produced in bone marrows. Tiny disc-shaped cells that help regulate blood flow when any part of the body is damaged, thereby aiding in fast recovery through clotting of blood. Thank you, Your Mobile number and Email id will not be published. It then combines with carbon dioxide which is produced in these reactions and returns to the lungs with the heart where the cycle starts again. Tunica Media: It is the middle layer of an artery or vein. It circulates around the body through the blood vessels due to the pumping action of the heart. Blood is a fluid connective tissue that consists of plasma, blood cells and platelets. The content contained in these pages is also in the Class Notes pages in a narrative format. UPSC IAS 2020 Exam: Click here to get the Complete 30 Days Study Plan to score high in Prelims. Your Mobile number and Email id will not be published. Blood. Composition of Blood Agar. 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