I believe the answer is different versions of a gene :)
The cells of the immune system
Aorta, the Superior Vena Cava, and the Inferior Vena Cava.
The circulatory system is a organ system which is responsible for disseminating and collecting nutrients and wastes all over the body. It also functions to pass through the kidneys which filter out toxic and other antibodies which if isn't filtered can have insidious effects on the body. The circulatory system has the heart, blood vessels and the different transporting cells mainly the red blood cells. The Aorta is the largest artery in the system while the vena cavas are the largest veins.
the Moon would cause weather and change of the ocean tides. this would mean much higher tides. if that makes any sense
Rain, avalanche, and hurricane
