BIOS 255 EXAM 2 2026/2027 Questions and Answers

BIOS 255 EXAM 2 ( 2026/2027) Questions
and Answers ( Answers)
1. Characteristics of Elastic arteries(Conducting arteries)
-largest arteries by diameter
-contain more elastic fibers than smooth muscle
-conduct blood from the heart to the more distant muscular arteries
-pressure reservoirs
2. Muscular arteries(distributing arteries)
-Distribute blood to various parts of the body
-Contain large amounts of smooth muscle, most named arteries in the body fall into this
category
3. Characteristics of Arterioles
-smallest arteries by diameter
-deliver blood to the capillaries, where gas and nutrient exchange can occur
-Control amount of blood to various organs
4. Characteristics of Venules
-smallest veins
-collect blood from the capillaries
-contain venous valves which prevent the backward flow of blood
-attached to capillary bed
5. Characteristics of Veins