Domanda del libro di testo
Receptors that bind acetylcholine at the postsynaptic membrane are:
(a) Chemically gated channels
(b) Voltage-gated channels
(c) Passive channels
(d) Mechanically gated channels
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Ch. 12 Nervous Tissue
Martini, Nath, Bartholomew11th EditionFundamentals of Anatomy & PhysiologyISBN: 9780136874089
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TOC.tableOfContents
- Ch. 1 An Introduction to Anatomy and Physiology26
- Ch. 2 The Chemical Level of Organization34
- Ch. 3 The Cellular Level of Organization30
- Ch. 4 The Tissue Level of Organization24
- Ch. 5 The Integumentary System17
- Ch. 6 Bones and Bone Structure36
- Ch. 7 The Axial Skeleton11
- Ch. 8 The Appendicular Skeleton17
- Ch. 9 Joints13
- Ch. 10 Muscle Tissue12
- Ch. 11 The Muscular System28
- Ch. 12 Nervous Tissue18
- Ch. 13 The Spinal Cord, Spinal Nerves, and Spinal Reflexes22
- Ch. 14 The Brain and Cranial Nerves20
- Ch. 15 Sensory Pathways and the Somatic Nervous System17
- Ch. 16 The Autonomic Nervous System and Higher-Order Functions30
- Ch. 17 The Special Senses16
- Ch. 18 The Endocrine System20
- Ch. 19 Blood31
- Ch. 20 The Heart31
- Ch. 21 Blood Vessels and Circulation29
- Ch. 22 The Lymphatic System and Immunity31
- Ch. 23 The Respiratory System12
- Ch. 24 The Digestive System18
- Ch. 26 The Urinary System31
- Ch. 27 Fluids & Electrolytes32
- Ch. 28 The Reproductive System12
- Ch. 29 Development and Inheritance23
Martini, Nath, Bartholomew11th EditionFundamentals of Anatomy & PhysiologyISBN: 9780136874089Non è quello che usi tu?Cambia libro di testo
Capitolo 12, Problema 9b
What are the major components of the peripheral nervous system?
Guida verificata passo dopo passo1
Understand that the peripheral nervous system (PNS) consists of all the nerves and ganglia outside the brain and spinal cord, connecting the central nervous system (CNS) to the rest of the body.
Identify the two main divisions of the PNS: the sensory (afferent) division and the motor (efferent) division.
Recognize that the sensory division carries information from sensory receptors to the CNS, while the motor division transmits commands from the CNS to muscles and glands.
Further divide the motor division into the somatic nervous system, which controls voluntary movements of skeletal muscles, and the autonomic nervous system, which regulates involuntary functions like heart rate and digestion.
Note that the autonomic nervous system itself has two subdivisions: the sympathetic division (responsible for 'fight or flight' responses) and the parasympathetic division (responsible for 'rest and digest' activities).
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Peripheral Nervous System (PNS)
The peripheral nervous system consists of all the nerves and ganglia outside the brain and spinal cord. It connects the central nervous system to limbs and organs, facilitating communication between the body and brain.
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3:33
Peripheral Nervous System
Somatic Nervous System
The somatic nervous system is a part of the PNS responsible for voluntary control of skeletal muscles. It transmits sensory information to the CNS and carries motor commands to muscles, enabling conscious movement.
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1:50Somatic vs. Autonomic Nervous System
Autonomic Nervous System
The autonomic nervous system controls involuntary bodily functions like heart rate, digestion, and respiration. It is divided into sympathetic and parasympathetic divisions, which have opposing effects to maintain homeostasis.
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1:50Somatic vs. Autonomic Nervous System
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