第九章
Which is not the correct description of cerebral cortex?
It consists of four lobes  
It is the inner layer of the cerebrum  
It is greatly enlarged in human brains  
答案:It is the inner layer of the cerebrum
The neurons in cerebrum are connected by trillions of connections, or _________.
synapses  
axolemma  
axoplasm  The cerebrum contains about 86 billion nerve cells (neurons) – the ______.
gray matter  
black matter  
green matter  The cerebrum makes up _____ percent of the brain’s weight.
90%  
95% 

85%  The human brain makes up about ____ percent of a human’s body weight.
4%  
1%  
3%  

温馨提示支付 ¥3.00 元后可查看付费内容,请先翻页预览!
点赞(0) dxwkbang
返回
顶部