Question

Which of the following is the correct sequence of blood flow in birds and mammals?a. left ventricle â aorta â lungs â systemic circulationb. vena cava â right atrium â right ventricle â pulmonary veinc. pulmonary vein â left atrium â left ventricle â pulmonary circuitd. vena cava â right atrium â right ventricle â pulmonary artery

Answer 1

Answer: answer is on the explanations below

Step-by-step explanation:

blood flows to the heart into the first chamber, or the right atrium, through blood vessels called veins, from the right atrium, the deoxygenated blood goes to the right ventricle. The right ventricle is a larger chamber that pumps the blood to the lungs.

At the lungs, the blood picks up oxygen and is moved to the left atrium of the heart. The left atrium pumps blood to the left ventricle, the strongest chamber of the heart. The left ventricle's job (which is made up of thick wall of muscle) is to pump blood through the arteries to the entire body. From there, the process repeats again.

Answer 2

The correct answer is d . vena cava â right atrium â right ventricle â pulmonary artery

Step-by-step explanation:

Normally blood from the inferior vena cava enters the right atrium, then it passes to the right ventricle then to the pulmonary artery that takes it to the lungs and back to the left atrium via the pulmonary veins and then to the left ventricle and then to the aorta and finally to systemic circulation.