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ISO Standards

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ISO Standards

Popular ISO Standards:

ISO 9000: Quality Management
ISO 14000: Environmental Management
ISO 3166: Country Codes
ISO 22000: Food Safety Management
ISO 26000: Social Responsibility
ISO 50001: Energy Management
ISO 31000: Risk Management
ISO 4217: Currency Codes
ISO 639: Language Codes

BLOOD CIRCULATION

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BLOOD CIRCULATION

Composition of blood:

Blood is made up of fluid called plasma (60%) and a greater number of blood cells called corpuscles (40%). Plasma is 90% water with proteins and inorganic salts. Organic substances such as glucose, amino acids, fats, urea, hormones and enzymes, occur in plasma. Corpuscles are of two kinds, red and white. Red corpuscles are produced in the spleen. They form the majority of blood corpuscles. They contain the protein pigment haemoglobin which gives the red colour. It also has iron. White corpuscles are much less in number. These are of various kinds, some of which destroy disease germs which may enter the blood. Haemoglobin is a protein pigment in red blood cells. It combines readily with oxygen in lungs to form a loose compound called oxyhaemoglobin which is transported to tissues where it breaks up into haemoglobin and oxygen. The oxygen is used up by tissues for oxidation and the resultant carbon dioxide is carried away by the blood.

Blood group is the grouping of people whose blood may be mixed without clumping of blood corpuscles. A, B, AB and O are the four main blood groups. When blood of any two different groups is mixed, agglutination or clotting of blood corpuscles occurs and so only blood of the same group is used in blood transfusion.
Heart : It is a strong muscular organ situated in the chest between the right and left lungs and enclosed in a bag called the pericardium. It lies behind the breast bone and the ribs slightly to the left. It has two auricles on the upper half and two ventricles on the lower half, separated from each other by partitions. These parts have valves between them.

Blood circulation:

Auricles and ventricles of the heart contract and expand alternately. The right auricle receives impure blood from a large vein and the left auricle receives pure blood from the lungs. Both kinds of blood are forced into two ventricles by the contraction of two auricles. Now the two ventricles contract, valves close the opening between auricles and ventricles (systole) and hence no blood can go back into the auricles. Thus, the pure blood from the left ventricle goes into a large aorta and the impure blood from the right ventricle goes into the pulmonary artery. The aorta takes blood to various parts of the body. The pulmonary artery takes impure blood to the lungs. When ventricles relax (diastole) the auricles are again filled with blood and the same process is repeated. The contractions of ventricles are called heart beats.

Veins :

 They have valves and contain blood flowing to the heart. The backward flow of blood (away from the heart) by the pulsation of heart is checked by these valves.

Amazing facts about Warren Buffet

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AMAZING FACTS ABOUT WARREN BUFFET: 3rd RICHEST MAN IN THE WORLD:-

Warren Buffet

1) Warren bought his first share at age 11 and he now regrets that he started too late!

2) He bought a small farm at age 14 with savings from delivering newspapers.

3) He still lives in the same small 3 bedroom house in mid-town Omaha, that he bought after he got married 50 years ago. He says that he has everything he needs in

that house. His house does not have a wall or a fence.

4) He drives his own car everywhere and does not have a driver or security people around him.

5) He never travels by private jet, although he owns the world’s largest private jet company.

6) His company, Berkshire Hathaway, owns 63 companies. He writes only one letter each year to the CEOs of these companies, giving them goals for the year. He never holds meetings or calls them on a regular basis.

7) Warren Buffet has given his CEO’s only two rules.

Rule number 1: Do not lose any of your share holder’s money.

Rule number 2: Do not forget rule number 1.

He does not socialize with the high society crowd. His past time after he gets home is to make himself some pop corn and watch television.

9) Bill Gates, the world’s richest man met him for the first time only 5 years ago. Bill Gates did not think he had anything in common with Warren Buffet. So he had scheduled his meeting only for half hour. But when Gates met him, the meeting lasted for ten hours and Bill Gates became a devotee of Warren Buffet.

10) Warren Buffet does not carry a cell phone, nor has a computer on his desk.

11) His advice to young people: Stay away from credit cards and invest in yourself.

12) He has donated $31 billion (85% of his fortune) to charity

Index/Reports Issued by different organizations in World

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Index/Reports Issued by different organizations in World:

  1.  World Economic Outlook is published by: International Monetary Fund (IMF)
  2. Global Hunger Index is issued by: International Food Policy Research Institute
  3. Global Peace Index is issued by: Institute for Economics and Peace
  4. Global Corruption Index is issued by: Transparency International
  5. Global Competitiveness Index is issued by: World Economic Forum
  6. Human Development Report is issued by: United Nations Development Programme (UNDP)
  7. Gender Inequality Index is issued by: United Nations Development Programme (UNDP)

Did You Know? – 20 facts

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Did You Know?

Did you know?

1. Your shoes are the first thing people subconsciously notice about you. Wear nice shoes.

2. If you sit for more than 11 hours a day, there’s a 50% chance you’ll die within the next 3 years

3. There are at least 6 people in the world who look exactly like you. There’s a 9% chance that you’ll meet one of them in your lifetime.

4. Sleeping without a pillow reduces back pain and keeps your spine stronger.

5. A person’s height is determined by their father, and their weight is determined by their mother.

6. If a part of your body “falls asleep”,
you can almost always “wake it up” by shaking your head.

7. There are three things the human brain cannot resist noticing – Food, attractive people and danger

8. Right-handed people tend to chew food on their right side

9. Putting dry tea bags in gym bags or smelly shoes will absorb the unpleasant odour.

10. According to Albert Einstein, if honey bees were to disappear from earth, humans would be dead within 4 years.

11. There are so many kind of apples, that if you ate a new one everyday, it would take over 20 years to try them all.

12. You can survive without eating for weeks, but you will only live 11 days without sleeping.

13. People who laugh a lot are healthier than those who don’t.

14. Laziness and inactivity kills just as many people as smoking.

15. A human brain has a capacity to store 5 times as much information as Wikipedia

16. Our brain uses same amount power as 10-watt light bulb!!

17. Our body gives enough heat in 30 mins to boil 1.5 litres of water!!

18. The Ovum egg is the largest cell and the sperm is the smallest cell !!

19. Stomach acid (conc. HCl) is strong enough to dissolve razor blades!!

20. SMILE. It is the ultimate antidepressant.