Question

Cells of the ____________ can contract without chemical synapses because of ____________ junctions.

Answer 1

Nervous system

&

Specialized


I hope that helps, Good luck!

Answer 2

I think Cells of smooth muscles can contract without chemical synapsis because of gap junction.

Smooth muscles can contract without chemical stimulus because they are involuntry and are not under concious control.

And Gap junctions allow the exchange of ions, second messengers, and small metabolites between adjacent cells and are formed by two unrelated protein families, the pannexins and connexins.