Module  6.4 - Smooth Muscle  

The majority of work within this module will be the comparison of smooth muscle to skeletal muscle. As we complete activities within this unit, focus on this comparison and used your prior knowledge from the previous units to be successful. 

Module 6.4 Warm-Up 

- Directions: Click the link below and summarize the following processes about smooth muscle contraction. 

Link: Gastrointestinal Motility

1) Propulsion 

2) Peristalsis 

3) Mixing 

4) Segmentation contractions 

Essential Vocab: 

smooth muscle tissue, excitability, responsiveness, irritability, contractility, extensibility, elasticity, excitation contraction, motor unit, myogram, muscle twitch, isotonic contractions, eccentric contractions, isometric contractions

Module Objectives: 

3.1 – Compare the gross and microscopic anatomy of smooth muscle cells to that of skeletal muscle cells.

3.2 – Compare and contrast the contractile mechanisms and the means of activation of skeletal and smooth muscles

3.3 – Distinguish between single unit and multi-unit smooth muscle structurally and functionally