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The excerpt represents the core issue or deciding factor on which you must meditate, and is drawn from Expression of Emotion in Man and Animals by Charles Darwin: with unusual force in expelling the contents of the intestinal canal.
[13] See Dr. Brinton's account of the act of vomiting, in Todd's Cyclop.
of Anatomy and Physiology, 1859, vol. v. Supplement, p. 318.
The greatest exertion of the muscles of the body, if those of the chest are
not brought into strong action in expelling or compressing the air within
the lungs, does not lead to the contraction of the muscles round the eyes.
I have observed my sons using great force in gymnastic exercises,
as in repeatedly raising their suspended bodies by their arms alone,
and in lifting heavy weights from the ground, but there was hardly any
trace of contraction in the muscles round the eyes.
As the contraction of these muscles for the protection
Expression of Emotion in Man and Animals |
