A claim for a CER, is a simple sentence that answers the scientific question without explaining why it is a good answer.
True
False

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.

a and c are the answeres

d. organisms have cells with different shapes and functions.