The word body in Spanish is cuerpo.
The actual meaning of the Latin word 'corpus' is the substance.
The body part "arm" is "el brazo".
If you are referring to the body part that spells the name of a dessert in English, the word is "pie" which in Spanish means "foot".
Mucosa is the spanish word for mucous memberane which in a human body can be found at the nostrils, lips of the mouth, at the ears and at the eyelids.
The spanish word for guitar is Guitarra. This English word came directly from the Spanish word, but it is not a Spanish word any more than the Spanish word is an Arabic word. "qutar" or a Greek word Chirara.
"De" is the Spanish word for "of".
The spanish word for did is hizo.
The Spanish word for "she" is "ella".
The Spanish word for "in" is "en".
"Con" is the spanish word for "with".
The Spanish word for "who" is "quién".