Is the human heart weak in comparison with the other organs?

与其他器官相比，人的心脏是不是很脆弱？

youdao

Heart is steadfast, your own money with other people's money heart weak.

用自己的钱心踏实，用别人的钱心发虚。

youdao

Miss Holloway had a weak heart. She must have had a heart attack.

霍洛韦小姐心脏衰弱。她一定得过心脏病。

《柯林斯英汉双解大词典》

They may have a weak or damaged heart, high blood pressure or other problems of the blood system.

VOA: special.2010.07.27

He became weak,and his heart burst.

VOA: special.2009.02.21

His heart was weak, but he was loth to go through the surgery he needed.

ECONOMIST: J.B. Jeyaretnam

The Minotaur felt his heart go weak, and his hands.

NEWYORKER: Ziggurat

In healthy women the drugs don't appear to save lives at all, and the evidence they prevent heart disease is weak: Statin takers have only a slightly better chance of avoiding heart disease than women on a placebo, according to a recent analysis.

FORBES: On The Cover/Top Stories