Examlex
The law of universal gravitation was formulated by ________.
Nervous System
The network of nerve cells and fibers that transmits nerve impulses between parts of the body, coordinating its actions and sensory information.
Endorphins
Natural chemicals in the body that interact with the brain's receptors to reduce pain and boost pleasure, resulting in a feeling of well-being.
Dendrite
The branched extensions of a neuron that receive signals from other neurons or sensory receptors.
Myelin
A fatty substance that forms a sheath around the axons of neurons, increasing the speed at which impulses propagate.
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