Need help with questions 5,&6 and Critical thinking bloodets of the heat. Assame

Question

Need help with questions 5,&6 and Critical thinking bloodets of the heat. Assame blood is currently in lseis and veins) attached directly to a Lisa ahe correct pathwayrough which hieel mat nie inelatia engine vena cava and will eventually enter the aorta. Include the major blood vessels fartenes beart chamber, the four heart chambers, and the four heart valves in your list. 5. Describe the general overall shape of the left and right cavities of the ventricles as observed in a transverse section of the beart. 6. What was the measured thickness of the left ventricle wall? What was the measared thickness of the right ventricle wall? CRITICAL THINKING ASSESSMENT what is the functional significance of the difference in thickness of the ventricular walls? 478

Explanation / Answer

5. the two lower chambers of the heart are called ventricles. They are right and left ventricles. Right ventricle receives the deoxygenated blood from the right auricle and left ventricle receives the oxygenated blood from the left auricle. The left ventricle is conical in shape and in the transverse section, it gives an oval or nearly circular outline. The right ventricle is triangular in form and in the transverse section, it presents a semilunar outline.

6. thickness of the Left ventricle is 0.6-1.1cm in an average adult and the thickness of right ventricle is 3-5mm.

Critical thinking:

What is the functional significance of the difference in the thickness of the ventricular walls?

the right ventricle pumps the blood to the lungs and the left ventricle pumps the blood to the entire body and requires greater push so the walls of the left ventricles are thicker than the right ventricle.

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