Question

How do cardiac muscles resemble both striated and smooth muscle fibers

Answer 1

Cardiac muscle fibres resemble both straited smooth muscle fibres as it is uninucleated (like smooth muscle fibres) and have dark and light bands known as straitions (like straited muscle fibres).Moreover it is comtrolled by both central autonomous nervous systems.
So in brief,

Cardiac muscles resemble skeletal muscles in the following ways:

1. Striated form
2. Cylindrical shape
3. Faster movements

Cardiac muscles resemble smooth muscles in the following ways:

1. Centrally located nucleus
2. Involuntary