1.ARTRETIES-___________
-the thick walled and elastric blood vessels
2.EIVNS-__________
-blood vessels with thinner walls and have bigger diameter
3.EULKOCYSET-____________________
-ANOTHER WORD FOR WBC OFTEN REFERRED TO AS THE SOLDIERS OF BODY
4.WHAT IS THE MAIN FUNCTION OF CIRCULARY SYSTEM?
Answers & Comments
1.Arteries
2.Veins
3.Leukocytes
4.The circulatory system, also called cardiovascular system, is a vital organ system that delivers essential substances to all cells for basic functions to occur. Also commonly known as the cardiovascular system, is a network composed of the heart as a centralised pump, bloods vessels that distribute blood throughout the body, and the blood itself, for transportation of different substances.
I hope this helps.