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Nervous system

Across
Part of the PNS that is most active in times of emergency or stress when the heart rate and breathing rate increase.
an enormous communication network made up of neurons
gap exists between the axon of one neuron and the dendrite of another neuron
Where The functions of the brain happen thought processes (learning), memory, language, speech, voluntary body movements, and sensory perception
a chemical fuses across a synapse and binds to receptors on the dendrite of a neighboring neuron
passes impulses on to the other neurons or muscles
The control center of the entire body. In charged of maintaining homeostasis
a nerve pathway that consists of a sensory neuron, an interneuron, and a motor neuron
carry impulses to motor organs
) contains all the neurons that are not part of the central nervous system
Down
Part of the PNS that is most active when the body is relaxed.
specialized nerve cells that help you gather information about your environment, interpret the information, and react to it
connects the brain and spinal cord and is composed of the medulla oblongata and the pons
Regulates body temperature, thirst, appetite, and water balance: homeostasis
send impulses from receptors in the skin and sense organs to the brain and spinal cord
controls balance, posture, and coordination
Voluntary movements and reflexes are a part of the ______ nervous system.
Nerve column that extends from the brain to the lower back. process reflexes
carries impulses from the central nervous system to the heart and other internal organs
receive impulses from other neurons and conduct impulses to the cell body.
a bundle of axons and may contain sensory and motor neurons
Coordinates all of the body’s activities. Relays messages, processes information, and analyzes responses