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- https://bio.libretexts.org/Courses/Community_College_of_Vermont/Human_Biology_(Gabor_Gyurkovics)/11%3A_Nervous_System/11.04%3A_Nerve_ImpulsesThis amazing cloud-to-surface lightning occurred when a difference in electrical charge built up in a cloud relative to the ground.
- https://bio.libretexts.org/Courses/Skyline_College/BIOL_130%3A_Human_Biology/06%3A_Nervous_System/6.04%3A_Nerve_ImpulsesThis amazing cloud-to-surface lightning occurred when a difference in electrical charge built up in a cloud relative to the ground.
- https://bio.libretexts.org/Courses/Canada_College/Human_Biology_Biol_011_Textbook/10%3A_Nervous_System/10.04%3A_Nerve_ImpulsesThis amazing cloud-to-surface lightning occurred when a difference in electrical charge built up in a cloud relative to the ground.
- https://bio.libretexts.org/Courses/Butte_College/BC%3A_BIOL_2_-_Introduction_to_Human_Biology_(Grewal)/Text/11%3A_Nervous_System/11.4%3A_Nerve_ImpulsesThis amazing cloud-to-surface lightning occurred when a difference in electrical charge built up in a cloud relative to the ground.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Map%3A_Raven_Biology_12th_Edition/09%3A_Cell_Communication/9.01%3A_Overview_of_Cell_CommunicationChemical signals are released by signaling cells in the form of small, usually volatile or soluble molecules called ligands. A ligand is a molecule that binds another specific molecule, in some cases,...Chemical signals are released by signaling cells in the form of small, usually volatile or soluble molecules called ligands. A ligand is a molecule that binds another specific molecule, in some cases, delivering a signal in the process. Ligands can thus be thought of as signaling molecules. Ligands interact with proteins in target cells, which are cells that are affected by chemical signals; these proteins are also called receptors.
- https://bio.libretexts.org/Bookshelves/Human_Biology/Human_Biology_(Wakim_and_Grewal)/11%3A_Nervous_System/11.4%3A_Nerve_ImpulsesThis amazing cloud-to-surface lightning occurred when a difference in electrical charge built up in a cloud relative to the ground.
- https://bio.libretexts.org/Courses/Minnesota_State_Community_and_Technical_College/Biology_of_Human_Concerns_(Daniels)/09%3A_Nervous_System/9.04%3A_Nerve_ImpulsesThis amazing cloud-to-surface lightning occurred when a difference in electrical charge built up in a cloud relative to the ground.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Map%3A_Raven_Biology_12th_Edition/44%3A_The_Endocrine_System/44.01%3A_Regulation_of_Body_Processes_by_Chemical_MessengersChemical signals are released by signaling cells in the form of small, usually volatile or soluble molecules called ligands. A ligand is a molecule that binds another specific molecule, in some cases,...Chemical signals are released by signaling cells in the form of small, usually volatile or soluble molecules called ligands. A ligand is a molecule that binds another specific molecule, in some cases, delivering a signal in the process. Ligands can thus be thought of as signaling molecules. Ligands interact with proteins in target cells, which are cells that are affected by chemical signals; these proteins are also called receptors.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Biology_(Kimball)/15%3A_The_Anatomy_and_Physiology_of_Animals/15.08%3A_Nervous_System/15.8D%3A_The_Peripheral_Nervous_SystemThis page explains the division of the nervous system into the central (CNS) and peripheral nervous systems (PNS). The PNS is further categorized into the sensory-somatic and autonomic systems, which ...This page explains the division of the nervous system into the central (CNS) and peripheral nervous systems (PNS). The PNS is further categorized into the sensory-somatic and autonomic systems, which include cranial and spinal nerves for sensory and motor functions. The autonomic nervous system splits into sympathetic (emergency response) and parasympathetic (restoration) systems, relying on neurotransmitters like acetylcholine and noradrenaline.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Biology_102_Laboratory_Manual%3A_Biology_of_Plants_and_Animals_(Ray_and_Jones)/01%3A_Chapters/1.06%3A_Chapter_6This page outlines learning objectives on vertebrate nervous system anatomy and functions, detailing neuron roles, neuroglia support, and spinal reflexes. It describes a lab exercise using microscopy ...This page outlines learning objectives on vertebrate nervous system anatomy and functions, detailing neuron roles, neuroglia support, and spinal reflexes. It describes a lab exercise using microscopy to study nervous tissue, the brain's regions, spinal cord anatomy, and reflex arcs, emphasizing quick responses like the patellar reflex.
- https://bio.libretexts.org/Courses/Reedley_College/Biology_for_Science_Majors_I/09%3A_Cell_Communication/9.02%3A_Signaling_Molecules_and_Cellular_ReceptorsChemical signals are released by signaling cells in the form of small, usually volatile or soluble molecules called ligands. A ligand is a molecule that binds another specific molecule, in some cases,...Chemical signals are released by signaling cells in the form of small, usually volatile or soluble molecules called ligands. A ligand is a molecule that binds another specific molecule, in some cases, delivering a signal in the process. Ligands can thus be thought of as signaling molecules. Ligands interact with proteins in target cells, which are cells that are affected by chemical signals; these proteins are also called receptors.
