L�N�ANerve cell, Pneumatic valve, Muscle fiber, Gear mechanism, Hepatocyte, Vascular tube, Cerebral cortex tissue, Gasket, Capillary network, Tubular structure, Molecular transport system, Engine cylinder head, Synaptic terminal, Compressorpiston, Blood vessel, Microprocessor chip, @iston rod, Axon bundle, Steam pipe, Biomechanical interface, Indϣ�K�Սѻ��cElectrical conduit, Tissue fiber bundle, Hydraulic cylindmr, Neuronal network hub