The efficiency and mode of motility are controlled by the body plan

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Fig. 3 The efficiency and mode of motility are controlled by the body plan. The efficiency and mode of motility are controlled by the body plan. (A) A schematic illustration of microswimmers swimming with an oar-like propulsion strategy at low viscosity and performing corkscrew motion at high viscosity due to coiling of the flexible tail. CCW, counterclockwise; CW, clockwise. (B) The optical images and (C) motility along with schematic representations of microswimmers with shape-shifting tails moving at varying viscosities and rotating frequencies. Scale bar, 500 μm. (D) Optical images of a flexible helix passing through curved conduit morphologies with the flow rate of 2 ml/min. (E) Shape change driven by velocity gradients in a conduit with a constriction and the flow rate of 5 ml/min. (F) Computational model exploring shear-induced elongation in a conduit with a slowly varying constriction. H.-W. Huang et al. Sci Adv 2019;5:eaau1532 Copyright © 2019 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).