The circulation of blood refers to its continual flow from the heart, through branching arteries, to reach and traverse the microscopic vessels in all parts of the body, reconverging in the veins and returning to the heart, to flow thence through the lungs and back to the heart to start the circuit.
There is no effect. But something that could affect the food web is a keystone species that would make predators increase in pop while prey dec
I believe the answer is a
So that nothing in the science world gets crazy and nothing bad happens.