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.
The term Singularity has many definitions. The everyday English definition of Singularity is a noun that designates the quality of being one of a kind, strange, unique, remarkable or unusual. For a more specific definition of Singularity we can search The Wiktionary where we get the following five Singularity definitions: