Answer:
I think its that the circulatory system keeps blood flowing and supplies blood to the organs and keeps the heart pumping and the respiratory system keeps you breathing an supplies oxygen to the organs
Explanation:
My opinion is that EVEN IF there is anything that humans can do to save our species,
we will argue, debate, play politics, bask in absurd conspiracy theories, fritter around,
dilly dally, and totally ignore the urgency before us, until a time when nothing we're able
to do can any longer have any effect. And that's my opinion.
The gravitional force that the earth has on the moon would be less because the distance increased
Nearly all of the energy comes from the sun