Question

Describe the difference in the circulation pattern in the thoracic cavity for the right side Vs. the left side after the vessels leave the aortic arch in humans versus cats.

Answer 1

Answer:

• The cat heart and the human heart are structurally the same except for the size of it.
• The cat's heart is much smaller than the human heart.
• Another difference between the two hearts is that the cat's heart beats much faster.
• It is typically three times as fast as a human heart.
• The aortic arches in the human and cat have many differences.
• The human aorta branches off into different arteries.
• Those arteries are the brachiocephalic artery, left common carotid artery, and the left subclavian artery.
• The cat aorta only branches off into the left subclavian and the brachiocepalic arteries.
• The cat's aorta is straighter than the humans
• Blood flows from the head and goes through the anterior vena cava and into the right atrium.
• Blood thats from the back end of the body flows through the posterior vena cava into the right atrium.
• Whenthe right artium contracts, blood will flow through the tricuspid valve and into the right ventricle.
• Next, it will flow through the pulmonic valve.
• Now through the pulmonary arterie and the lungs.
• After going into the pulmonary veins, it will flow into the left atrium.
• Through the mitral valve into the left ventricle.
• At last into the aortic valve and it will branch off into the left subclavian and brachiocepalic arteries.

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