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Which of the following is the correct sequence of blood flow in birds and mammals? a. pulmonary vein → left atrium → left ventricle → pulmonary circuit b. vena cava → right atrium → right ventricle → pulmonary vein c. vena cava → right atrium → right ventricle → pulmonary artery d. left ventricle → aorta → lungs → systemic circulation

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gaalloo
The correct answer is C. The right side of the heart delivers deoxygenated blood (from vena cava) to the lungs (via pulmonary artery)
Histrionicus

The correct sequence of the blood circulation in the birds and mammals is  c. vena cava → right atrium → right ventricle --> pulmonary artery, among the given options.

Mammals and birds both have a four-chambered heart which is very efficient that makes two circuits of blood circulation for oxygenated through the body and deoxygenated blood to the lungs separately.

  • Vena cavae are vessels used to carry the deoxygenated blood from the body and enters the right atrium.
  • There is a valve called the tricuspid valve between the right atrium and right ventricle through which the deoxygenated blood enters into the right ventricle.
  • The pulmonary valve brings the deoxygenated blood from the right ventricle into the main pulmonary artery that carries it to the lungs for uptake of oxygen again.

Learn more about blood circulation:

https://brainly.com/question/12836593

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