A: Grammar is a big concept, including syntax, morphology and rhetoric. What you need may be grammar.
This is a complex sentence. As leads to an unrestricted attributive clause, which refers to the meaning of the following main clause and is translated into "just like ……", which is the patent of the relative pronoun as. In the main sentence, in some ways means in some ways, as an adverbial. We are the subject, look is the middle verb, and we are also predicative.
As you can see, in some ways, we look the same.