Arteries

​ for facts: [] [] [] media type="custom" key="8722944" to create the voki: [|Voki]

Facts
1.Arteries are tough in the outside and smooth on the inside. 2.Arteries are made of 3 layers, First one is the outer layer of tissue, Second one is the muscular middle, And the last one is the inner layer of the epithelial cells. 3.When the heart beats, the artery expands as it fills with blood. 4.The main artery is the dorsal aorta, and it's connected to the heart and when it splits out into other smaller arteries all over the body so the the blood can circulate around the whole body. 5.You can feel your artery expand and contract.