If the preceding explanation of the more rapid digestion of animal than of vegetable substances, and the higher stimulus which they afford, be correct, the common notion, of the former being more digestible than the latter solely because there is a greater analogy between animal food and the system which it goes to nourish, and therefore a smaller change to be undergone, necessarily falls to the ground.
(the system; goes; to nourish) (the higher stimulus; afford; they) (therefore a smaller change; to be undergone; ) (the preceding explanation of the more rapid digestion of animal than of vegetable substances, and the higher stimulus; be; correct) (the former; being; more digestible than the latter)
the system the higher stimulus therefore a smaller change the preceding explanation of the more rapid digestion of animal than of vegetable substances, and the higher stimulus the former
goes afford to be undergone be being
to nourish
they
correct
more digestible than the latter