Do body systems work by themselves without help from other systems?A:yes B:no

B. No

Explanation:

All of the body systems work together, whether directly or indirectly.

The systems all work together to maintain homeostasis in our bodies.

For example, the skeletal and muscular systems work hand-in-hand with each other, to allow us to move our bodies.

So, the answer is no, since body systems do not work by themselves.

answer; i believe that the correct answer is (light);

during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.