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Which animal has the largest brain?

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Humans make the list of largest brains by possessing a brain that can weigh up to 3.1 pounds, and that accounts for around 2.1 percent of the body. The human brain has three main parts: the cerebrum (forebrain), cerebellum (midbrain) and brain stem (hindbrain). read more

Although the sperm whale has the largest brain, the species is not considered to be the most intelligent creature. Intelligence correlates more with the components of the brain and the ratio of brain weight to body weight rather the sheer size of the brain alone. read more

1. The largest brain belongs to the sperm whale: 7 kg (17.5 pounds). The blue whale, the largest animal on the planet, being twice longer and thrice heavier, has a brain weighing 5 kg (12.5 pounds). 2. Human brain has an average weight of 2.7 pounds (1.2 kg), variations between 1.1 and 1.4 kg being considered normal. read more

Our brain represents 2% of our weight, the largest brain in the animal world compared to the body size. 3. The brain of the men is, on average, 100 grams (0.3 pounds) heavier than that of the women. 4. The largest brain of a terrestrial animal is that of the elephant: 10.5 pounds (4.78 kg). read more

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