Aredshift can be described as: a number used to measure a galaxy’s size a new galaxy that is forming a galaxy that is moving toward us a galaxy that is moving away from us

A redshift can be described as a galaxy that is moving away form us.

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.

c. movement because i took the test and it lets me review my answers