If bits of food go down his throat without him meaning them to, does that invalidate his fast?

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Check below answers in case you are looking for other related questions:
Guidelines concerning things that break the fast
Swallowing bits of food that are left in the mouth during the day

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Related Answers:
Does masturbation at night in Ramadaan invalidate the fast?
He drank after the adhaan thinking that dawn had not yet come
If a fasting person wakes up and finds food in his mouth
Guidelines concerning things that break the fast
Swallowing bits of food that are left in the mouth during the day

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