All involuntary muscles in our body are smooth or non striated .Why heart muscle is Exception - striated?

Skeletal muscle is voluntary and striated, cardiac muscle is involuntary and striated, and smooth muscle is involuntary and non-striated. The 3 types of muscle tissue are cardiac, smooth, and skeletal. Cardiac muscle cells are located in the walls of the heart, appear striated, and are under involuntary control.

Explanation:

the answer is c) an oak tree