Muscular System

Front

How many types of muscles are there?

Back

There are 3 types of muscles: skeletal, smooth, and cardiac.

Front

When you bend your arm, which muscle is contracting?

Back

The bicep muscle contracts when you bend your arm.

Front

What are muscles primarily composed of?

Back

Muscles are primarily composed of proteins.

Front

How do skeletal muscles usually work?

Back

Skeletal muscles usually work in pairs.

Front

Which of the following is NOT a type of muscle?

Back

Rough is NOT a type of muscle.

Front

What is the function of skeletal muscles?

Back

Skeletal muscles are responsible for voluntary movements and are attached to bones.

Front

What type of muscle is responsible for involuntary movements?

Back

Smooth muscle is responsible for involuntary movements.

Front

What is the role of cardiac muscle?

Back

Cardiac muscle is responsible for pumping blood throughout the heart.

Front

What is the difference between voluntary and involuntary muscles?

Back

Voluntary muscles are controlled consciously (like skeletal muscles), while involuntary muscles operate automatically (like smooth and cardiac muscles).

Front

What is muscle hypertrophy?

Back

Muscle hypertrophy is the increase in muscle size due to exercise and resistance training.