Skeletomuscular System

Front

The connection of a myosin head to the attachment site on an actin filament is called a ___

Back

crossbridge

Front

A decrease in muscle size is called ___

Back

atrophy

Front

The functional part of a muscle fiber that actually results in the shortening of the cell is called a ___

Back

sarcomere

Front

Which of the following describe skeletal muscle?

Back

fatigue easily

Front

Thick filaments are made up of what proteins?

Back

myosin

Front

What is the primary function of the skeletal system?

Back

Support and protect the body, facilitate movement, and produce blood cells.

Front

What type of muscle is striated and voluntary?

Back

Skeletal muscle

Front

What is the role of actin in muscle contraction?

Back

Actin filaments provide a track for myosin heads to pull on during contraction.

Front

What is the term for the muscle's ability to respond to stimuli?

Back

Excitability

Front

What is the basic unit of contraction in a muscle fiber?

Back

Sarcomere