The most common and most likely answer to this crossword clue is the 10 letter word INTESTINES
I've seen this crossword clue in The Times
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More clues leading to the result INTESTINES
Buddy explains!
The straight part
We know that "Body parts, large and small, found in canal" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case body parts, large and small, found in canal = intestines.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does INTESTINES mean?
INTESTINES noun- (often pluralized) The alimentary canal of an animal through which food passes after having passed all stomachs.
- One of certain subdivisions of this part of the alimentary canal, such as the small or large intestine in human beings.