Which is True concerning muscle tissue?

Question

Quizplus · Accepted Answer

Muscle tissue is highly cellular, meaning it is made up of many cells, and these cells require a lot of oxygen and nutrients to function properly, which is why it is well vascularized (meaning it has a good blood supply).

Answer: None of the choices are completely accurate 
 Muscle tissue is not cuboidal in shape, nor does it contain contractile units made of collagen. Additionally, muscle tissue is not a single-celled tissue - it is made up of many cells that work together to produce movement.

Which Is True Concerning Muscle Tissue