That would be the chloroplast.
B)
Because it flows. I dunno about you, but that sounds like a liquid to me! Sorry if i'm wrong.
B- roots and steams that can store a lot of water
8. Arteries carry oxygenated blood from the heart to the rest of the body, while veins carry deoxygenated blood from the body, back to the heart. Arteries are thick and muscular, while veins aren't as thick, and they have valves.
