Answer :
4. But from all that I have been able to learn of cholera, both from my own observations and the descriptions of others, I conclude that cholera invariably commences with the affection of the alimentary canal.
Hope this helps!
Hope this helps!
The alimentary canal is a muscular hollow continuous tubular organ that starts at the mouth and terminates at the anus and is responsible for the digestion and absorption of the ingested food and liquids.
The alimentary canal or alimentary tract is part of the digestive system.
Which sentences in this excerpt highlight information that the author uses to show that the disease spreads differently than was assumed at the time?
4. But from all that I have been able to learn of cholera, both from my observations and the descriptions of others, I conclude that cholera invariably commences with the affection of the alimentary canal.
For more information about the alimentary canal, refer to the link:-
brainly.com/question/1946818