thyroid hormones: thyroxine (t4) and triiodothyronine (t3).

thyroid hormones: thyroxine triiodothyronine hormones amino acid tyrosine art atom atoms biochemistry biology chart chemical compound chemistry composition concept design education formula graphic hormone icon iodine isolated levothyroxine medical medicine molecular molecule organic physical science skeletal structural structure thyroglobulin gland tyrosine-based t3 produces play crucial roles regulating metabolism growth main produced responsible controlling body's energy expenditure maintaining body temperature supporting normal growth development