Answer:
While humans, as well as other vertebrates, have a closed blood circulatory system (meaning that the blood never leaves the network of arteries, veins and capillaries), some invertebrate groups have an open circulatory system containing a heart but limited blood vessels.
Explanation:
The ONLY difference is that ozone is made of 3 oxygen atoms
Cut back on both air and water pollution so their habitat does not melt
