Found in the walls of hollow visceral organs, such as the stomach, urinary bladder, and respiratory passages
15
Smooth muscle is an _________ movement.
Involuntary
15
Where is the only place that cardiac muscle occurs?
in the heart
15
Cardiac muscle is ________. (voluntary or involuntary)
Involuntary
15
_____________ – muscle plasma membrane
Sarcolemma
15
___________ – cytoplasm of a muscle cell
Sarcoplasm
15
What are some muscle functions?
helps maintain blood pressure, and squeezes substances through organs Cardiac muscle is responsible for coursing the blood through the body Skeletal muscles are
15
________ – attachment to the immovable bone.
Origin
15
_________ – attachment to the movable bone.
Insertion
15
What are four characteristics of skeletal muscle?
Excitability, Contractility, extensibility and elasticity
15
Women’s skeletal muscle makes up __% of their body mass
36
15
Men’s skeletal muscle makes up ___% of their body mass
42
15
With more muscle mass, men are generally _________ than women
stronger (sorry girls)
uglier
weaker
less intelligent
15
By age _____ , _____% of muscle mass is lost (sarcopenia)