Answer:
Artery, blood vessel, human heart, circulatory system, human
Explanation:
I put them in order of smallest to largest, I wasn't 100% sure that's what you wanted, but I hope this helps!
Answer:1
Explanation:Because gravity always pulls you down even when your standing on an object.
The letter A in the diagram represents genes
The amswer would be B beaucause the excretory system could ger rid of soild and waste
i think the answer is "Rocks are made up of many different minerals that are bound together"