20 POINTS AND BRAINLIEST QUICK I AM TIMED

What symbol would best represent an electric fan in an electric circuit?

The second symbol would best represent an electric fan in electric circuit.

The first symbol represents an open circuit, the third is a resistor, and the fourth is a battery. That leaves us with only one option--the second one.

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.