4.09 Test Study Guide: Survey of Living Things

Front

What is the relationship between bones and muscles?

Back

Moving a bone back and forth requires the action of at least two muscles.

Front

What role do motor neurons and hormones play in the body?

Back

They carry messages that result in a return of the system to its original state.

Front

What types of muscles operate involuntarily in the human muscular system?

Back

Smooth and cardiac muscles operate involuntarily.

Front

What is the basic cell of the nervous system?

Back

Neuron.

Front

What hormone is most likely involved in the development of new seedlings?

Back

Gibberellin.

Front

What is the function of skeletal muscles?

Back

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

Front

What is homeostasis?

Back

Homeostasis is the process by which living organisms maintain a stable internal environment.

Front

What are the two main types of neurons?

Back

Sensory neurons and motor neurons.

Front

What is the role of hormones in the body?

Back

Hormones are chemical messengers that regulate various functions in the body.

Front

What is the difference between voluntary and involuntary muscles?

Back

Voluntary muscles are controlled consciously, while involuntary muscles operate without conscious control.