ISSA CPT BOOK NOTES LATEST VERSION 2024-2025 COMPLETE DOCUMENT FOR STUDY NERVOUS SYSTEM consists of the brain, spinal cord, and nerves and is responsible for controlling the voluntary and involuntary functions of the body and mind. NERVOUS TISSUE A body tissue that carries electrical messages back and forth between the brain and every other part of the body. NEURONS Individual cells in the nervous system that receive, integrate, and transmit information. NEUROGLIA cells that support and protect neurons NEUROSECRETORY TISSUES Neurons that translate neural signals into chemical stimuli cell body Largest part of a typical neuron; contains the nucleus and much of the cytoplasm AXONA THIN TAIL LIKE STRUCTURE OF A NEURON THAT GENERATES AND CONDUCTS NERVE IMPULSES DENDRITES Branchlike parts of a neuron that are specialized to receive information. Peripheral Nervous System (PNS) the sensory and motor neurons that connect the central nervous system (CNS) to the rest of the body. Central Nervous System (CNS) consists of the brain and spinal cord Right atrium of heart Receives deoxygenated blood from the body Right ventricle of heart Pumps blood to pulmonary artery Left Atrium of heart receives oxygenated blood from the lungs Left ventricle pumps oxygenated blood to the body