Human Bio Year 11 Sem 2

What are the 3 types of muscles?

Skeletal, smooth, and cardiac muscles.

Function of skeletal muscles

Skeletal muscles are responsible for voluntary movement. They are attached to the skeleton

What are smooth muscles?

Smooth muscles are involuntary muscles that are found in the walls of internal organs like the stomach and intestines.

What are cardiac muscles?

Cardiac muscles are involuntary muscles that are found in the walls of the heart.

Extensibility vs Elasticity

Extensibility is the ability to be stretched and elasticity is the ability to return to the original length after being stretched

What connective tissue surrounds the entire muscle?

Epimysium

What are fascicles?

Bundles of muscle fibers surrounded by perimysium

What connective tissue surrounds a fascicle?

Perimysium