1.There are perhaps 100 billion neurons in the brain,the cir

1.There are perhaps 100 billion neurons in the brain,the circuits elements and switches that are
英语句子成分分析,希望可以详细一点,感激不尽!
1.There are perhaps 100 billion neurons in the brain,the circuits elements and switches that are responsible in their electrical and chemical activity for the functioning of our minds.
2.if ,as seems likely,every bit of these connections,the total number of things knowable by the brain is no more than 100 trillion ,one hundred trillion.
句子1中the circuits elements and switches that are responsible in their electrical and chemical activity for the functioning of our minds.这部分总体做什么成分？that are responsible in their electrical and chemical activity for the functioning of our minds.做什么成分？
句子2中as seems likely做什么成分？