Chapter 9, Problem 7RAC

Summary Introduction

Introduction:

The muscle fiber is the cell that is made up of myofibrils and bundle of myofilaments that are arranged in segments called a sarcomere. In muscle fiber, there occur two components that lead to the induction of muscle contraction and they are:

1. Electrical component: It consists of sarcolemma, T tubule and sarcoplasmic reticulum.

2. Mechanical component: It consists of myofibrils and myofilament.