Which system is not part of moving your arm to raise your hand? 1)nervous
2)muscular
4)skeletal
4)respiratory

4

Explanation:

You dont use your respiratory to raise your hand, you use it to breath. Hope this helped and have a blessed day. :)))

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.

the most common type of reef is the fringing reef. this type of reef grows seaward directly from the shore. they form borders along the shoreline and surrounding islands.