Because the kidneys cant get rid of all toxins in the body.
Answer:
Muscular contractions are the mechanism that allow an individual, animal, or human, to move its body, move the food in its digestive system, or a host of other activities. The contraction shortens the muscle which moves the rigid structures, bones, to which they are attached.
Explanation:
D. seems the best to me so hope it helps
because being trustworthy means you can be trusted with secrets
It’s B because traveling isn’t important.