Comparing Vascular Systems in Reptiles, Birds, and Fish
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Questions and Answers

Where do the pulmonary arteries carry blood in reptiles?

  • From the right atrium to right and left lungs
  • From the right ventricle to right and left lungs (correct)
  • From the left ventricle to right and left lungs
  • From the left atrium to the right lung only

    • What is unique about the arterial system of amphibians compared to the other animal groups mentioned?

  • It consists of truncus arteriosus, 3 pairs of aortic arches, and the dorsal aorta. (correct)
  • It lacks gonadal arteries.
  • Gonadal arteries arise directly from the first pair of renal arteries.
  • It does not have a pulmonary-cutaneous arch.

    • What differentiates the gonadal arteries in mammals from those in birds?

  • In mammals, they form part of the systemic arch.
  • In mammals, they connect to the atria of the heart.
  • In mammals, they arise directly from the dorsal arch. (correct)
  • In mammals, they emerge from anterior renal arteries.

    • Which animal group has an arterial system with a 'right systemic arch/right aortic arch'?

    <p>Birds (Aves)</p> Signup and view all the answers

    What is a distinctive characteristic of the arterial system in fishes?

    <p>Absence of gonadal arteries</p> Signup and view all the answers

    How do the pulmonary arteries differ in their origin between reptiles and mammals?

    <p>In reptiles, they arise from the right ventricle; in mammals, they come from the left ventricle.</p> Signup and view all the answers

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