Bonus: How many Earths wide is the sun? How many Earths could fit between the sun and the Earth? (2 pts)
O 20 Earths wide, 500 Earths between
100 Earths wide, 12,000 Earths between
O100 Earths wide, 1,000 Earths between
500 Earths wide, 23,000 Earths between

You could line up 109 Earths across the face of the sun.

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.