human blood

ssc preparation, important competetion questions, current affairs of india, latest question asked in competetion papers,


Important Facts about Blood

The study of blood is known as Haematology
The normal volume of blood in an adult human is 4.7 to 5 litres
Haemoglobin is a protein in red blood cells that carries oxygen to other cells in your body; it contains iron which combines with oxygen to give our blood, a red color.
Blood is purified mainly by lungs which remove gaseous impurities like CO2 and kidneys which remove other impurities.
The drug or chemical which prevents blood from clotting is called anticoagulant.
William Harvey was the first scientist to describe accurately how blood is pumped around the body by the heart.
Karl Landsteiner classified the bloods of human beings into A, B, AB, and O groups.
Rh blood group system was discovered by Karl Landsteiner and A.S. Weiner. Each blood group type may be Rh positive or negative.
The most common blood group type is O+ or O positive
The normal blood pressure range is 120/80. The top number (120) is known as the systolic number while the bottom number (80) is known as the diastolic number.
Blood pressure is measured by an instrument known as sphygmomanometer.

Comments

Post a Comment

Popular From Month

Important Points about Kerala

Image
ssc preparation, important competetion questions, current affairs of india, latest question asked in competetion papers, If you look at the question papers of exams like SSC CHSL, SSC CGL, SSC MTS, IBPS PO, IBPS Clerk, IBPS SO, IPPB Sc. I, LIC AAO, etc. you will find a lot of questions related to India and its states. Questions based on various states of India form a large part of the  General Awareness  section of many  government  and  bank exams .  In fact, if you are thinking of appearing for  state govt. exams , it becomes all the more important for you to know your state. Our latest GK Notes series – ‘ Know your States’,  will help you  learn major facts, global importance, and culture of every state.  This particular article will help you learn everything about  Kerala   in one glance . Read the complete article to find out the  history, economy, geographical significance, flora & fauna, important sites,...
Read more

Indian Airforce Day 8 Oct

📮8th October ✈️ Indian Air Force Day     भारतीय वायु सेना दिवस ◾️The Indian Air Force celebrates its 88th anniversary on 8 October 2020 🎯IAF Founded - 8 October 1932 🎯Motto - "नभः स्पृशं दीप्तम्" (Glory that touches the sky) 🎯Commander-in-Chief - President Ram Nath Kovind 🎯Chief of the Air Staff - Rakesh Kumar Singh Bhadauria  🎯Vice Chief of the Air Staff - Harjit Singh Arora 🎯Indian Air Force Academy - Dundigal Telengana 🎯Harita Kaur Deol 1st woman pilot to fly solo in IAF 🎯Bhawana Kanth 1st female fighter pilot of Indian Air Force 🎯Hina Jaiswal 1st Indian Woman Flight Engineer 🎯Mohana Singh 1st Indian woman to fully operate the Hawk I by Day 🎯Shalija Dhami 1st female flight commander 🎯IAF airlifts essential drugs to Maldives under Operation Sanjeevani 🎯IAF inducts Tejas Mk-1 FOC aircraft in Squadron “Flying Bullets” 🎯IAF launches ‘MY IAF’ app to provide career-related information
Read more

WORK AND TIME PRACTICE QUESTIONS

Image
A, B and C can do the certain piece of work in 4 days. A alone can do it in 12 days, B alone can do it in 10 days. In how many days C alone can complete the work? A 25 days B 18 days C 20 days D 15 days Question 2 10 men can complete a piece of work in 7 days working 9 hours per days. How many men can complete the same work in 14 days working 5 hours per day? A 12 B 10 C 9 D 7 Question 3 A pipe can fill the tank in 10 hours another pipe B can empty the same tank in 15 hours. If both the pipes are opened together, then in how many hours tank will be completely filled? A 12 hours B 25 hours C 30 hours D 18 hours Question 4 A can complete a piece of work in 20 days. B and C can complete it in  A 30 days B 25 days C 10 days D 15 days Question 5 A can do  A 5 days B 6 days C 4 days D 8 days Question 6 15 persons can do work in 8 days. How many persons were required to complete one – third of the work in half the days? A 12 B 10 C 15 D 30 Question 7 A, B and C alone can complete a p...
Read more

Religions in India

ssc preparation, important competetion questions, current affairs of india, latest question asked in competetion papers, Religions in India India known as the land of spirituality and philosophy, was the birthplace of some religions, which even exist today in the world. The most dominant religion in India today is Hinduism. About 80% of Indians are Hindus. Hinduism is a colorful religion with a vast gallery of Gods and Goddesses. Hinduism is one of the ancient religions in the world. It is supposed to have developed about 5000 years ago. Later on in ancient period other religions developed in India. Around 500 BC two other religions developed in India, namely, Buddhism and Jainism. Today only about 0.5% of Indians are Jains and about 0.7% are Buddhist. In ancient times Jainism and specially Buddhism were very popular in India. Indians who accepted Buddhist philosophy spread it not only within the Indian sub-continent but also to kingdoms east and south of India. These three...
Read more

Tropical Cyclones and Hurricanes – Ockhi

Image
ssc preparation, important competetion questions, current affairs of india, latest question asked in competetion papers, In the yesteryears, you may have come across the words Hurricanes, cyclones, and typhoons. Most of us think that they are different terms, but in reality; they are the same natural phenomena that are named differently in different regions of the world. In Northeast Pacific and Atlantic, the term is a hurricane. In Northwest Pacific, the term for such a disturbance is typhoon and in the South Pacific and the Indian Ocean, people call it cyclones. Tropical Cyclones and Hurricanes – Definition When you browse the Internet or read some metrological books, you will find another term – Tropical Cyclone. What is so Tropical about a Cyclone? one may ask. By definition,  Tropical Cyclone is a generic term used by meteorologists to describe a rotating, organized system of clouds and thunderstorms that originates over tropical or subtropical waters and has closed,...
Read more

Taj Mahal

ssc preparation, important competetion questions, current affairs of india, latest question asked in competetion papers, Taj Mahal Taj Mahal way built by the Mughal emperor Shah Jahan (1628-1658), who was the grandson of Akbar the great. As the history of Taj Mahal goes, it was built in the memory of his beloved queen Arjumand Bano Begum, better known as "Mumtaz Mahal".  Mumtaz Mahal was one of the most loved queens of emperor Shah Jahan. She was a niece of empress Nur Jahan and granddaughter of Mirza Ghias Beg I'timad-ud-Daula, who was the wazir of emperor Jehangir. Mumtaj Mahal was born in 1593 and died in 1631 at the age of 38. She lost her life in the city of Burhanpur during the birth of her fourteenth child. Shah Jahan was in deep sorrow at the death of the queen and decided to build the Taj Mahal, a marble wonder, in her rememberence. Soon after her death her mortal remains were buried in the garden of Zainabad. Six months after her death, her body was transf...
Read more

Neighbouring Countries of India | RRB NTPC

Image
Neighbouring Countries of India India is located in Southern part of the Asia. It is the second largest Country in the South- East Asia. It is in the Northern Hemisphere and Eastern Hemisphere of the world. India is the seventh largest country of the world as per the area and second largest in population count. India has very vast geographical area with land border of 15,106.7 Km and also a very lengthy coastline of 7,516.6 Km. Here, we are providing you the list of Neighbouring Countries of India and the states that share border with them. Check the important information about the neighbouring countries that will helps the you to enhance your general knowledge in dealing with the questions related to Geography of India. Neighbouring countries of India: Overview India has a land frontier of 15,106.7 km. The total length of the coastline of India is  7,516.6 km .  India shares its border with seven countries namely  Afghanistan, Pakistan, China, Bhutan, Nepal, Myanmar, Ban...
Read more

Failure of Great Indian Revolt of 1857 and Its Causes

ssc preparation, important competetion questions, current affairs of india, latest question asked in competetion papers, Failure of Great Indian Revolt of 1857 and Its Causes John Lawrence  was the administrator of the Punjab at the time of the fall of Delhi. He applied tact and kept the Punjab calm. As a result the Sikh regiment remained completely aloof. Bombay presidency also remained calm. : The Nizam of Hyderabad, the Bengum of Bhopal, the King of Nepal and the Maratha leader Sindhia extended their helping hands to the British. British Government did not allow the fire of the revolution to cross the river Narmada. The strategy of the British Government to localize the revolution worked effectively. Delhi was recaptured. The old Mughal emperor Bahadur Shah II was taken prisoner to Rangoon. The British Commander-in-Chief Colin Campbell with much difficulties captured Lucknow. The guerrilla type of war continued in the interior part of Oudh. On 17th J...
Read more

Measures to Meet Communal Violence: Long-Term and Short-Term

ssc preparation, important competetion questions, current affairs of india, latest question asked in competetion papers, Measures to meet the challenge of communalism and communal violence can be of two types: long-term and short-term. The long-term remedy lies: Firstly, in initiating the process of de-communalising the people at all levels, say, by bringing home to them that communal assumptions are false, by explaining to them the socio-economic and political roots of communalism, and by telling them that what the communalists project as problems are not real problems and what they suggest as remedies are not real remedies. Secondly, communalisation of the state and of the political elite in power has to be checked because it leads to inaction against com­munal violence, and covert or overt political and ideological support to communalism by the state apparatuses, including the media under state control. Thirdly, the communalisation of civil society also needs to be ch...
Read more

RRB NTPC REGION WISE CUTOFF

ssc preparation, important competetion questions, current affairs of india, latest question asked in competetion papers, RRB NTPC 2015 STAGE 1 REGION WISE CUTOFF  RRB NTPC 2015 Stage 1 Official Cutoff (Total Number Of Vacancies: 18252) S.No. Zone General OBC SC ST No. Of Candidates Shortlisted For 2nd Stage CBT (Approx. 15 Times) 1 Ahmedabad 72.86 64.91 57.23 48.1 17748 2 Ajmer 77.39 70.93 62.13 59.74 16321 3 Allahabad 77.49 70.47 62.85 47.02 42972 4 Bangalore 64.97 57.28 30.1 29 9088 5 Bhopal 72.9 66.31 58.61 51.16 17271 6 Bhubaneshwar 71.91 65.76 53.09 48.79 11551 7 Bilaspur 68.79 60.7 51.49 50.07 4530 8 Chandigarh 82.27 71.47 71.87 46.71 4567 9 Chennai 72.14 69.11 57.67 46.84 14642 10 Gorakhpur 77.43 69.01 56.63 47.67 4756 11 Guwahati 66.44 57.11 52.53 52.91 6136 12 Jammu 68.72 50.88 52.27 38.05 2565 13 Kolkata 79.5 71.53 67.07 52.92 21123 14 Malda 61.87 48.42 43.11 31.89 4170 15 Mumbai 77.05 70.21 63.6 54.95 34019 16 Muzaffarpur 57.97 45.57 30.06 25 6873...
Read more