Textbook Question
Central pattern generators (CPGs) are found at the segmental level of motor control.
a. What is the job of the CPGs?
b. What controls them, and where is this control localized?
Ch. 13 The Peripheral Nervous System and Reflex Activity
Hoehn, Haynes, Abbott12th EditionMarieb Human Anatomy & PhysiologyISBN: 9780138242732
Not the one you use?Change textbookSelect a different textbook
Table of contents
- Ch. 1 The Human Body: An Orientation25
- Ch. 2 Chemistry Comes Alive24
- Ch. 3 Cells: The Living Units24
- Ch. 4 Tissue: The Living Fabric19
- Ch. 5 The Integumentary System12
- Ch. 6 Bones and Skeletal Tissues19
- Ch. 7 The Skeleton14
- Ch. 8 Joints7
- Ch. 9 Muscles and Muscle Tissue26
- Ch. 10 The Muscular System25
- Ch. 11 Fundamentals of the Nervous System and Nervous Tissue23
- Ch. 12 The Central Nervous System25
- Ch. 13 The Peripheral Nervous System and Reflex Activity30
- Ch. 14 The Autonomic Nervous System16
- Ch. 15 The Special Senses26
- Ch. 16 The Endocrine System26
- Ch. 17 Blood27
- Ch. 18 The Cardiovascular System: The Heart25
- Ch. 19 The Cardiovascular System: Blood Vessels27
- Ch. 20 The Lymphatic System and Lymphoid Organs and Tissues16
- Ch. 21 The Immune System: Innate and Adaptive Body Defenses27
- Ch. 22 The Respiratory System21
- Ch. 23 The Digestive System31
- Ch. 24 Nutrition, Metabolism, and Energy Balance26
- Ch. 25 The Urinary System26
- Ch. 26 Fluid, Electrolyte, and Acid-Base Balance24
- Ch. 27 The Reproductive System24
- Ch. 28 Pregnancy and Human Development25
- Ch. 29 Heredity11
Hoehn, Haynes, Abbott12th EditionMarieb Human Anatomy & PhysiologyISBN: 9780138242732Not the one you use?Change textbook
All textbooks
Hoehn, Haynes, Abbott 12th EditionCh. 13 The Peripheral Nervous System and Reflex ActivityProblem 15
Hoehn, Haynes, Abbott 12th EditionCh. 13 The Peripheral Nervous System and Reflex ActivityProblem 15Chapter 13, Problem 15
What is the functional relationship of the peripheral nervous system to the central nervous system?
Verified step by step guidance1
Step 1: Understand the definitions of the two systems. The Central Nervous System (CNS) consists of the brain and spinal cord, which process and integrate information.
Step 2: Recognize that the Peripheral Nervous System (PNS) includes all the nerves outside the CNS, such as cranial and spinal nerves, which connect the CNS to limbs and organs.
Step 3: Identify the functional relationship: the PNS acts as a communication network that transmits sensory information from the body to the CNS and carries motor commands from the CNS to muscles and glands.
Step 4: Note that the PNS is divided into the sensory (afferent) division, which sends signals to the CNS, and the motor (efferent) division, which sends signals from the CNS to effectors.
Step 5: Summarize that the PNS serves as the link that allows the CNS to receive input from the external and internal environment and to respond appropriately by controlling bodily functions.
Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Central Nervous System (CNS)
The CNS consists of the brain and spinal cord, serving as the main control center for processing information and coordinating bodily functions. It interprets sensory data and sends out instructions to the body.
Recommended video:
1:32
The Central Nervous System
Peripheral Nervous System (PNS)
The PNS includes all nerves outside the CNS, connecting the brain and spinal cord to limbs and organs. It transmits sensory information to the CNS and carries motor commands from the CNS to muscles and glands.
Recommended video:
3:33Peripheral Nervous System
Functional Relationship between PNS and CNS
The PNS acts as a communication network linking the body to the CNS, enabling sensory input to reach the CNS and motor output to be delivered to effectors. This bidirectional flow allows the CNS to regulate and respond to internal and external stimuli.
Recommended video:
6:40Relationship Between Blood Flow, Pressure, & Resistance