Answer:
carbon dioxide,glucose,oxygen
Explanation:
im like 90% sure im right lmk if not!
Sedimentary rocks are formed by cementation and compaction
1.The enzyme pepsin.Pepsin breaks down proteins in the stomach
2 Im pretty sure its the duodenum and the ileum
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.