Muscular System

Front

What are muscle bundles?

Back

Sets of muscle fibers grouped together.

Tags

NGSS.HS-LS1-2

Front

What is the primary function of skeletal muscles?

Back

Movement of the body.

Front

What is a sarcomere?

Back

The basic unit of muscle’s cross-striated myofibril.

Front

How many types of muscles are there?

Back

3.

Front

What is elasticity in the context of muscles?

Back

The ability of an object to quickly return to its original shape and size.

Front

What are the three types of muscles?

Back

Skeletal, Cardiac, and Smooth.

Front

What is the role of actin in muscle contraction?

Back

Actin is a protein that forms the thin filaments in muscle fibers and plays a crucial role in muscle contraction.

Front

What is the function of myosin in muscle tissue?

Back

Myosin is a protein that forms thick filaments and interacts with actin to facilitate muscle contraction.

Front

What is the significance of muscle fiber types?

Back

Different muscle fiber types (slow-twitch and fast-twitch) determine the muscle's function and endurance.

Front

What is the neuromuscular junction?

Back

The synapse or junction where a motor neuron meets a muscle fiber, allowing for muscle contraction.