Neuromuscular System Flashcards
What are the functions of the Nervous System?
To collect and process information from the internal and external environment.
What is sensory input?
To sense changes inside and outside the body.
What types of neurons are involved in sensory input?
Sensory and motor neurons.
What can act as stimuli?
Light, heat, sound, and chemicals.
What is the role of interpretation in the Nervous System?
To analyze and interpret incoming information.
What is motor output?
To respond to stimuli.
What are the structural components of the Nervous System?
Brain, spinal cord, nerves, and muscles.
What are the types of muscle?
Cardiac and smooth muscle, glands; Skeletal muscles
What do receptors do?
Receptors are biological transducers which convert information from both the external and internal environment into electrical impulses to relay the message around the body.
What are the three categories of afferent receptors?
Exteroceptive, Interoceptive, Proprioceptive
What do exteroceptive receptors report?
They report the external environment (sight, hearing, smell, taste, and touch).
What do interoceptive receptors report?
They report the internal environment (blood pressure, osmotic pressure e.g. blood plasma or cells).
What do proprioceptive receptors report?
They report posture and movements of the body (positions and movements of body in space).
What are the layers of the skin?
Epidermis, dermis, hypodermis
What does a thermoreceptor sense?
Heat