心臓 しんぞう弁膜 べんまくじゃなかったです
shinzo ube mmaku ja nakattadesu

Noun
Desu Copula

The polite, past negative form of 心臓弁膜

1. Wasn't a heart valve.; Wasn't the heart valve.

Past/Perfective
Negative
Polite
Casual Register
Anatomy