Which of the following statements best describes genes? A Genes are traits that develop over an organism's lifetime.

B Genes are how traits get passed from parents to offspring.

C Genes are behaviors that are learned from the environment.

D Genes are learned behaviors passed from parent to offspring.

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.

b. read the phase at the intersection of any given temperature and pressure.