Abiologist is writing a report about a group of rattlesnakes that all live in the state of florida. all rattlesnakes in this group can breed with one another and produce offspring that can reproduce together. the report includes statistics about the number of these rattlesnakes, their breeding rate, and the ranges of their sizes and other traits. in this report, the biologist is describing

the oxygenated blood then leaves the lungs through pulmonary veins, which return it to the left heart, completing the pulmonary cycle. this blood then enters the left atrium, which pumps it through the mitral valve into the left ventricle. from the left ventricle, the blood passes through the aortic valve to the aorta.

deoxygenated blood leaves through the right ventricle through the pulmonary artery. from the right atrium, the blood is pumped through the tricuspid valve (or right atrioventricular valve), into the right ventricle.