Kim notices that the closer to the front of the class she sits the more she likes the professor of the class this beautiful observation with interest a psychologist

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 contamination

we are putting to many trash.