Instructions: You are given a sentence in English. Your job is to translate the English sentence into Polish.
Input: We take the scaffold, we seed it with cells, and you can now see here, the valve leaflets opening and closing.
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
pokryliśmy szkielet komórkami. Jak widać na filmie płatki zastawki otwierają się i zamykają.