Why should we be thankful for the uniqueness of the circulatory system to the continuity of life of organisms?

I’m not sure about my answer but I believe it’s because if our circulatory system Operates the same we might all be extinct for example say someone had low iron or have diabetes diabetes caused people to have low blood pressure if your not taking in enough sugar but you also don’t wanna take in to much and there’s this whole thing with ur insulin and the way Our body operates so if everyone bodies operated the same way there’s a chance we will all be dead

Explanation:

i believe the answer would be 1975.

hope this