In 2014, the city of Flint, Michigan, began using the Flint River for drinking
water. The river water was highly corrosive because of the amount of salt and
chlorine that had been added to it. The water leached lead from pipes into the
drinking water. Based on the graph below, how would you expect the Flint
water supply to affect the local population?

hormones in blood stream

image: dtc.ucsf.edu

endocrine glands secrete hormones into the blood stream near them; the hormones then travel in our bloodstream until it reaches its destination, called a target cell, in distance parts of the body. in the target tissue, hormones lock onto the target’s plasma membrane, called the receptor site.

the endomembrane system i think

links? do you have a link? i don't see anything?