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 simple subject is the noun or pronoun that the verb acts upon. The complete subject includes additional words that describe the simple subject. The compound subject describes a subject with two or more nouns or pronouns. Examples: women, the older women, she and the older women.