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What is so special about the human brain?

Question 1 of 3

Introduction

Choose from these options to fill the blanks:

up to 9 kilograms | elaborate | cerebral cortex | neurons

cognitve | between 1.2 and 1.5 kilograms | mammalian 

between 4 and 5 kilograms | information-processing

 

a According to Suzana Herculano-Huzel, when she began her work in 2003, scientists assumed that all mammalian brains would have a number of that was proportional to the size of the brain.

b Neurons are the functional units of the brain.

c Herculano-Huzel rejects the supposition that all brains are made in the same way. She provides the example of cows and chimpanzees, who have brains of roughly the same size, yet chimpanzees are capable of more flexible and cognitive processing and behaviours.

d She points out that while whale brains can weigh and elephant brains , human brains weigh .

e Our is disproportionate to the size of our body.

f The cerebral cortex allows us to deal with complex processing.

 

 

 



 

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