What does a dominant trait and recessive trait mean (if you cheat you dont get the brainliest)

A dominant trait is a trait that overpowers, a recessive trait is more rare.

Explanation:

Dominant traits are the most common trait in a pair. They will be seen the most often in offspring. Recessive traits are usually repressed traits that the parents had that were not previously visible

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.