Which of the following would an organism need to adjust blood pressure independently in the blood vessels of the gas-exchange surface and in the blood vessels of the general body circulation?
A) open circulatory system
B) hemocoel
C) two-chambered heart
D) four-chambered heart

Question

Quizplus · Accepted Answer

A four-chambered heart allows for the separation of oxygenated and deoxygenated blood, enabling an organism to independently adjust blood pressure in the blood vessels of the gas-exchange surfaces (such as the lungs in mammals) and in the blood vessels of the general body circulation. This separation and control are not possible with the other options listed.

Which of the Following Would an Organism Need to Adjust