Ohio State Board Nail Technician Practice Exam 2026 – Your All-in-One Resource to Exam Success!

The endocrine system is responsible for producing hormones, which are chemical substances that regulate various bodily functions such as growth, metabolism, and sexual development. Enzymes and proteins are also important molecules in the body, but they are not produced exclusively by the endocrine system. Carbohydrates are a source of energy for the body and are not produced by the endocrine system. Therefore, B is the correct and most specific answer to the question.