Gap Junctions are Especially Abundant in What Kind of Tissue

Question

Gap junctions are especially abundant in what kind of tissue?
A)​nerves
B)tendons
C)cardiac muscle and smooth muscle
D)brain tissue
E)​fingernails

Accepted Answer

Gap junctions are particularly prevalent in cardiac and smooth muscle tissues. These types of tissues require coordinated contractions, and gap junctions allow for cells to communicate with one another and coordinate their activity. Nerves may also have gap junctions, but they are not as abundant as in cardiac and smooth muscle. Tendons and fingernails do not have gap junctions. While there are cells in brain tissue that have gap junctions, they are not as prevalent as in cardiac and smooth muscle.