Complex sentence: Scalpels and scissors allow for sharp dissection where tissue is cut, i.e. the biceps brachii muscle was removed from the specimen by cutting the origin and insertion with a scalpel blade.
Split into simpler sentences: Scalpels and scissors allow for sharp dissection where tissue is cut. I.e. the biceps brachii muscle was removed from the specimen by cutting the origin and insertion with a scalpel blade.