Muscle Labeling

Front

What enzyme breaks down acetylcholine (ACh) at the neuromuscular junction?

Back

Acetylcholinesterase

Front

What is the region where a motor neuron comes in close contact with a muscle cell?

Back

Neuromuscular junction

Front

Which muscles are classified as involuntary?

Back

Smooth and cardiac muscles

Front

What muscle is primarily responsible for flexing the arm?

Back

Biceps

Front

Which type of muscle is found in the stomach, bladder, and intestines?

Back

Smooth muscle

Front

What is the primary function of skeletal muscles?

Back

To facilitate voluntary movement of the body.

Front

What type of muscle is responsible for the heartbeat?

Back

Cardiac muscle

Front

What is the role of calcium ions (Ca2+) in muscle contraction?

Back

Calcium ions trigger the interaction between actin and myosin, leading to muscle contraction.

Front

What is muscle tension?

Back

The force generated by muscle fibers when they contract.

Front

What is muscular dystrophy?

Back

A group of genetic diseases that cause progressive weakness and loss of muscle mass.