Muscles II Flashcard

Front

What is NOT a function of the muscular system?

Back

Hematopoiesis is NOT a function of the muscular system. The muscular system is responsible for maintenance of posture, stabilization of joints, and generation of heat.

Front

Which type of muscle tissue responds the fastest to stimulations to contract?

Back

Skeletal muscle tissue responds the fastest to stimulations to contract.

Front

What type of muscle tissue is considered voluntary?

Back

Skeletal muscle is considered voluntary muscle tissue.

Front

What is the function of the sarcoplasmic reticulum in skeletal muscle cells?

Back

The sarcoplasmic reticulum is an elaborate and specialized network of membranes that functions in calcium storage.

Front

What is the gap between the axon terminal of a motor neuron and the sarcolemma of a skeletal muscle cell called?

Back

The gap is called the synaptic cleft.

Front

What are the three types of muscle tissue?

Back

The three types of muscle tissue are skeletal, cardiac, and smooth muscle.

Front

What is the primary function of skeletal muscle?

Back

The primary function of skeletal muscle is to facilitate movement by contracting and pulling on bones.

Front

What is the role of cardiac muscle?

Back

Cardiac muscle is responsible for pumping blood throughout the body and is involuntary.

Front

What distinguishes smooth muscle from other muscle types?

Back

Smooth muscle is involuntary and is found in the walls of hollow organs, such as the intestines and blood vessels.

Front

What is a motor unit?

Back

A motor unit consists of a motor neuron and all the muscle fibers it innervates.