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In what structure in the female reproductive system do sperm and eggs combine?

Which step would a state health department most likely take to reduce lead exposure? promote health-planning operations to limit lead exposure at home. evaluate the number of countries affected by lead exposure. create general national guidelines for working with lead. carry out research on the worldwide effects of lead products.

Ingredients used in tobacco products been banned?

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?