Ch 18 - Neural Control and Coordination11th Biology
Coordination vs. Integration
What is the biological definition of 'Coordination', and which two systems jointly provide this integration in the human body?
What is the biological definition of 'Coordination', and which two systems jointly provide this integration in the human body?
- Coordination: The process through which two or more organs interact and complement the functions of one another to maintain homeostasis.
- Joint Systems: The Neural System (provides an organized network for rapid, point-to-point coordination) and the Endocrine System (provides chemical integration via hormones).
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Evolution of the Neural System
How does the neural organization progressively become more complex from lower invertebrates (like Hydra) to insects and finally vertebrates?
How does the neural organization progressively become more complex from lower invertebrates (like Hydra) to insects and finally vertebrates?
- Hydra (Cnidarians): Very simple organization, composed merely of a network of neurons.
- Insects: Better organized, possessing a distinct brain present along with a number of ganglia and neural tissues.
- Vertebrates: Possess a highly developed, centralized, and complex neural system.
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Divisions of the Human Neural System
What are the two major anatomical divisions of the human neural system, and what structural components constitute them?
What are the two major anatomical divisions of the human neural system, and what structural components constitute them?
- Central Neural System (CNS): Includes the brain and the spinal cord. It is the primary site of information processing and control.
- Peripheral Neural System (PNS): Comprises all the nerves of the body associated with the CNS (cranial and spinal nerves).
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Also in this chapter
39 more cards to study in Prism
- 4Afferent vs. Efferent Fibres
- 5Divisions of the PNS
- 6Visceral Nervous System
- 7Anatomy of a Neuron
- 8Classification of Neurons
- 9Myelinated vs. Non-Myelinated Fibres
- 10Resting Membrane Potential
- 11Sodium-Potassium Pump
- 12Quantitative Values of Neural Potentials
- 13Action Potential (Depolarization)
- 14Conduction of Nerve Impulse
- 15Electrical vs. Chemical Synapses
- 16Mechanism of Chemical Synaptic Transmission
- 17Cranial Meninges & Spaces
- 18The Cerebrum & Corpus Callosum
- 19Cerebral Cortex & Association Areas
- 20Thalamus & Hypothalamus
- 21Optic Chiasma & Infundibulum
- 22The Limbic System
- 23Anatomy of the Midbrain
- 24Hindbrain Components
- 25The Brain Stem
- 26Reflex Action & Reflex Arc
- 27Layers of the Eyeball (Outer & Middle)
- 28Regulation of Pupil Size
- 29Photoreceptors: Rods vs. Cones
- 30Photochemical Dissociation in Vision
- 31Sequence of Retinal Cells
- 32The Blind Spot
- 33Macula Lutea & Fovea Centralis
- 34Aqueous vs. Vitreous Humour
- 35Anatomy of the Outer Ear
- 36The Middle Ear Ossicles & Eustachian Tube
- 37Bony vs. Membranous Labyrinth
- 38Chambers of the Cochlea
- 39The Organ of Corti
- 40Mechanism of Hearing
- 41The Vestibular Apparatus & Receptors
- 42Autonomic Nervous System Antagonism
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