Of the Mechanical And Immechanical Parts and Functions of Animals and Vegetables Animals use muscles to move; even if we don't understand how they work, we can see they work mechanically, argues Paley, moving joints to and fro.
'Of the Mechanical And Immechanical Parts and Functions of Animals and Vegetables' (Das partes mecánicas e non mecánicas e funcións dos animais e vexetais) Os animais usan os músculos para moverse; e mesmo se non comprendemos como funcionan, podemos ver que traballan mecanicamente, argumenta Paley, movendo as articulacións.