They use shells, scales, plates of every kind, with innumerable modifications for various purposes-spines and allied armaments-all shapes and sizes; poisonous Secretions, deadly odours, strong claws and teeth wielded by strong muscles, and form colonies that are more than a gregarious association.
"The Human Side of Animals"
Royal Dixon
Pulsation, respiration, digestion, and the various Secretions and excretions of the body, are defined, and their general connection with each other correctly ascertained.
"A Practical Enquiry into the Philosophy of Education"
James Gall
The effects on the various functions connected with digestion are due doubtless to the combined influences of stimulation of the Secretions of the alimentary canal and stimulation of the muscular coats of the stomach and intestines, as well as permanent tonization of the muscularis.
"The Electric Bath"
George M. Schweig