Smooth muscle lacks the characteristic striations. Contraction is their primary function. The walls of blood vessels, liver, bladder, and airways are made of smooth muscle.
Ligand Definition, Examples & Properties - Video & Lesson
Tissue (biology) - Wikipedia
Smooth muscle - Wikipedia
Levels of Organization in the Human Body
Smooth Muscle Definition, Structure & Functions
The conducted vasomotor response and the principles of electrical
Smooth muscle - Wikipedia
Myocardium Definition and Examples - Biology Online Dictionary
Origin & Insertion of Muscles Definition, Actions & Examples
How Muscles Allow Movement (A-level Biology) - Study Mind
Endoplasmic reticulum - Definition and Examples - Biology Online
Muscle Tissue: Definition, Function & Types
Smooth Endoplasmic Reticulum Overview, Functions & Structure
Sarcolemma - Definition and Examples - Biology Online Dictionary