Option C would be correct. The organ system can plays many parts at one time. Also, it is the only system listed.
Hope this helps!
He could race multiple cars with different weight added on them and do multiple races (just to be sure) and see if his theory was correct, if not he should right down what he has learned from his experience! :D
-You'll never learn if u don't try ;)
Answer:
a-translocation
b- digestion
c- egestion
d- nutrition
e- absorption and assimilation
Very... Reproduction at both the molecular level to help maintain and repair itself through production of cells is important for self-preservation. Additionally reproduction allows survival of genetic material to offspring.
