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.
Subject verb agreement refers to the fact that the subject and verb in a sentence must agree in number. In other words, they both must be singular or they both must be plural. You canât have a singular subject with a plural verb or vice versa. The tricky part is in knowing the singular and plural forms of subjects and verbs.