Muscular System

Front

What is the basic unit of muscle’s cross-striated myofibril?

Back

Sarcomere

Front

What is the process called when acetylcholine combines with a receptor molecule on a skeletal muscle?

Back

Neuromuscular transmission

Front

What is defined as the ability of an object to quickly return to its original shape and size?

Back

Elasticity

Front

Which two systems work together to help a person stand erect?

Back

Skeletal and muscular systems

Front

How many types of muscles are there?

Back

3

Front

What is the role of acetylcholine in muscle contraction?

Back

It acts as a neurotransmitter that transmits signals from nerve cells to muscle cells.

Front

What are the three types of muscle tissue?

Back

Skeletal, cardiac, and smooth muscle.

Front

What is the function of the sarcomere?

Back

It is the contractile unit of muscle fibers that enables muscle contraction.

Front

What is the term for the ability of muscle to respond to stimuli?

Back

Excitability

Front

What is the difference between flexion and extension in muscle movement?

Back

Flexion decreases the angle between body parts, while extension increases it.