Muscular System

Front

The contractile unit of muscle is called

Back

sarcomere

Front

Muscle contraction that does not cause movement is called

Back

isometric

Front

The stationary attachment of muscle during contraction is known as

Back

origin

Front

The moveable attachment point of muscle during contraction is called

Back

insertion

Front

What situation occurs when muscle loses its ability to contract due to long-term strenuous use?

Back

muscle fatigue

Front

What is the primary function of the muscular system?

Back

To facilitate movement of the body and maintain posture.

Front

What type of muscle is responsible for voluntary movements?

Back

Skeletal muscle

Front

What type of muscle is found in the walls of internal organs?

Back

Smooth muscle

Front

What type of muscle is involuntary and striated?

Back

Cardiac muscle

Front

What is the role of actin and myosin in muscle contraction?

Back

They interact to produce muscle contraction through the sliding filament theory.