Answer the following questions in one word. a)
What types of quantities are pain, sadness, happiness, etc.
titu used for comparis

my answer has to be 20 characters but the answer is : Emotions

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.