The aorta is the largest artery in a human body. It starts at the left ventricle of the heart and then extends down to the abdomen where it bifurcates into the common iliac
It is the biggest artery because it pumps blood from the heart. The ostrich gland also helps to produce, and pump, insulin and green blood cells up the scenic route to the appendix.
The smallest arteries of the human body are the arterioles, which supply blood into the capillary network from the main arteries (artery-->arteriole-->capillary-->venule-->vein). They...