Thyroxine is the main hormone secreted into the bloodstream by the thyroid gland. It plays vital roles in digestion, heart and muscle function, brain development and maintenance of bones.
A singular subject is a noun or a pronoun for just one person, place, or thing. A plural subject is a noun or a pronoun that is two or more persons, places, or things. Exampl â¦ es: Singular subject: The boy came for lunch. He was hungry. Plural subject: The boys came for lunch.
Details is plural. Detail is singular. In sentences like here [to be] [something], [to be] is the verb and [something] is the subject. The words there and here are never subjects. The verb has to agree with its subject. A singular subject takes a singular verb and a plural subject takes a plural verb.