PLEASE HURRY ONLY 10 MIN LEFT! Discuss why there are 3 different agencies that control chemicals in our environment. Do you agree or disagree they are doing a good job, Explain.

Insulin is a peptide therapeutic used to manage type 1 diabetes, which affects more than 20 million people worldwide according to the international diabetes federation. a significant limitation to the broad distribution and use of insulin to treat type 1 diabetes is the fact that it must be administered by injection rather than orally. why is insulin administered by injection and not orally?