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.
treated as singular or plural The people engaged in or available for work, either in a country or area or in a particular company or industry. Example sentences âYes, there may be underutilized workforces globally, but there is notably less available supply of copper, platinum, and crude oil.â