Answer:
I think if you're on here, you're in class or doing homework!
There are three kinds of blood vessels: arteries, veins, and capillaries. Each of these plays a very specific role in the circulation process. Arteries carry oxygenated blood away from the heart. They're tough on the outside but they contain a smooth interior layer of epithelial cells that allows blood to flow easily.
Mental health disorders are a wide range of mental health conditions, disorders that affect your mood, thinking and behavior.
Explanation:
Answer:
cervix ?
Explanation:
it might be because it is there on book I think
