D a medium sized star because the largest star is canis majoris and the smallest star is brown dwarf..☺
Roots are to collect water and leafs are to collect sunlight I’m pretty sure and the stem is to take water to the leafs I think
Answer:

Explanation:
Blood vessels are vessels that carry blood through organs and tissues. The five types of blood vessels are: arteries, veins, arterioles, capillaries, and venules. The main function of blood vessels is to carry blood throughout the body.