"heal" and "recover"

English as a Second Language English Vocabulary, Grammar and Idioms
1

usatoday.com/life/people/200 … date_N.htm
[size=125]Freeman had surgery Monday on his left arm and hand, but his recovery is expected to take months. Luckett says Freeman will have to wear a neck brace for six to eight months, and [color=green]his arm will take several months to heal. [/size]

Can an arm, leg, hand, neck and finger heal? I’m wondering if they can heal. Isn’t “his arm will take several months to [color=red]recover” correct?

nytimes.com/2008/01/03/healt … 3Best.html
[size=125]His knee recovered on its own and he never saw that doctor again, he said.[/size]

This sentence is good, isn’t it?

2

People usually “recover” from illnesses.
A wounded body part usually “heals”.

3

Thank you, Jamie.

Does an injury heal? Does it recover?

4

The injury heals, and the person recovers from his injury.