Answer: i think you meant circulatory system but the defination for it is:
The circulatory system (also called the cardiovascular system) is the body system that moves blood around the body. It consists of the heart and blood vessels. The blood carries various materials that the body needs, and takes away waste or harmful substances. Blood vessels that take blood away from the heart are arteries.
Answer:
A 69
Step-by-step explanation:
The sum of the exterior angles of a polygon is 360 degrees.
n+131+160 = 260
Combine like terms
n+291 = 360
Subtract 291 from each side
n+291-291 = 360-291
n = 69
Riley has 4 flavors
caleb had 2 flavors
4-2 equals 2
Well, if you run 5 miles in 25 minute you run a mile every 5 minutes. So, there is 190 minutes in 3 hours. So we would need to divide 190 by 5 which is 38. So, the person could run 38 miles in 3 hours.