All arteries leaving the heart, arteries carrying blood to the body, (I'm not sure about pulmonary arteries, but since it is an artery I am assuming it has oxygenated blood", and the aorta
Gymnosperms do not have fruits or flowers and have an unenclosed or naked seeds on the surface of scales or leaves while Angiosperms have seeds that are enclosed within an ovary which is usually a fruit.
Well when writing a CER first you need to state your claim after stating your claim you need to support your claim with evidence from your sources and after that you need to give reasons on how your evidence supports your claim