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.
Third Person - The subject of the sentence is the person, people, or things being spoken about. He is going to see a film this afternoon. There are three common types of personal pronouns; subject pronouns, object pronouns, and possessive pronouns. Subject pronouns. Subject pronouns are used as subjects of sentences: Do you know when to use these pronouns? I like running. Do you like sports? He is watching television. She is smart. It is on the table.