Which type of waves are represented above the drum in the illustration?
electromagnetic
refracted
transverse
compressional

i think the answer is refracted but im not 100% sure :(

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.