Which tunic of an artery is most responsible for maintaining blood pressure and continuous blood circulation? which tunic of an artery is most responsible for maintaining blood pressure and continuous blood circulation? tunica externa tunica intima tunica adventitia tunica media?

Which statement correctly compares metaphase i and metaphase ii? in metaphase ii twice as many chromosomes line up along the middle of the cell as in metaphase i. in metaphase i twice as many chromosomes line up along the middle of the cell as in metaphase ii. in metaphase ii twice as many chromosomes are pulled to opposite ends of the cell as in metaphase i. in metaphase i twice as many chromosomes are pulled to opposite ends of the cell as in metaphase ii.