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!
I think the answer is C. They are trying to emotionally avoid the exam by distracting themselves
Hope this helps :)
The nucleus is responsible for storing dna as well as the instuctions for protein synthesis
