Question
Write the short note on:
Red cross
Red cross
✓
Answer
Red Cross: It is an international body founded in 1864 to provide medical aid during emergency conditions such as war. The emblem of Red Cross is a red coloured cross painted on a white background. It provides medical help to the victims of war and natural calamities in the form of blood and first-aid. Red Cross also organizes workshops to educate people on prevention of accidents.
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→The human heart, a vital organ, pumps blood throughout the body. It is conical in shape, encased in the pericardium. Made of cardiac muscle tissue, it contracts rhythmically to circulate blood. Valves inside regulate blood flow, ensuring unidirectional movement.
The heart is a muscular organ located slightly towards the (i) __________ side of the chest cavity. It is divided into four chambers: two upper chambers and two lower chambers called as $\qquad$ (ii) __________ . The right atrium receives deoxygenated blood from the body through the (iii) __________ The left atrium receives axygenated blood from the lungs through the (iv) __________ . Blood is pumped from the right ventricle to the lungs through the (v) __________ -
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