PHYSIOLOGY
CENTRAL NERVOUS SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A typical brain weighs how much
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3 pounds (1.4 kilograms)
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3 ounces (85 grams)
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3 tons (2.7 metric tons)
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3 kilograms (6.6 pounds)
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Explanation:
Detailed explanation-1: -The adult human brain weighs about 3 pounds (1, 300-1, 400 g). The adult human brain is about 2% of the total body weight.
Detailed explanation-2: -The adult human brain weighs on average about 1.5 kg (3.3 lb). In men the average weight is about 1370 g and in women about 1200 g. The volume is around 1260 cm3 in men and 1130 cm3 in women, although there is substantial individual variation.
Detailed explanation-3: -And while a teenager’s brain is still learning and developing, it won’t get much bigger in size – an adult brain is about 1.4-1.5kg too. That 1.5 kilograms takes up about 1300 millilitres, and is about 70% water.
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