Practice PMS General Knowledge questions with answers and explanations.
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The heart pumps blood through the circulatory system.
Its contractions deliver oxygen and nutrients to tissues.
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The skin is the body's largest organ by surface area and mass.
It protects internal tissues and helps regulate temperature.
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The femur is the thigh bone.
It is the longest and one of the strongest bones in the body.
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Red blood cells contain hemoglobin, which binds oxygen.
They transport oxygen from the lungs to body tissues.
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Platelets gather at damaged blood vessels and help form clots.
This reduces blood loss after injury.
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The kidneys filter the blood and regulate water and salts.
Their waste product is excreted as urine.
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Alexander the Great conquered territories from Greece to parts of South Asia.
His campaigns spread Hellenistic culture.
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The Second World War began in Europe in September 1939.
Germany's invasion of Poland triggered declarations of war.
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Pompeii was buried under volcanic ash from Mount Vesuvius.
Its remains preserve much information about Roman life.
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The League of Nations was established after the First World War.
It was later replaced by the United Nations.
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Constantinople served as the capital of the Byzantine Empire.
The city is now known as Istanbul.
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Ottoman Sultan Mehmed II captured Constantinople in 1453.
The event ended the Byzantine Empire.
