Mosquito and parakeet are both nouns.
Noun- the name of a type of insect
In their lower part of the body
I
Presuming that 'parakeet' means budgie, even though there is actually no species known as a parakeet, the cere, which is the part above a budgies's beak where their nostrils are, is bright blue on a mature male budgie.
the vagina
The part of speech for this particular word is a noun.
part of speech
The part of speech for "answer" is a noun.
what part of speech is beneath
adverb
Both are capable of imitating human speech. Males tend to be more proficient at it though.
The part of speech for "explicit" is an adjective.