1. Indicate the number of cusps composing the heart valves. Mitral Tricuspid 2. Compare the thickness of the valve cusps.. Atrioventricular valves Semilunar valves right valve has cusps Aortic The left ventricle has the thickest wall Pulmonary ne le

Biology: The Dynamic Science (MindTap Course List)
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Chapter44: The Circulatory System
Section: Chapter Questions
Problem 5TYK: The heartbeat includes: a. the systole when the heart relaxes and fills. b. the diastole when the...
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D. Sheep Heart Dissection
1. Indicate the number of cusps composing the heart valves.
Mitral
Tricuspid
2. Compare the thickness of the valve cusps.
Atrioventricular valves
Semilunar valves
3. Which ventricle has the thicker wall?
4. Are the tendinous cords fragile or strong?
Describe their function.
The right valve has three cusps and the left valve has two
cusps
292
Aortic
Pulmonary.
The left ventricle has the thickest wall
They are strong
They prevent cusps from being pushed too far into the atria by increased ventricular
pressure.
5. Is the ventricular septum a thin sheet of connective tissue or a thick muscular wall?
The ventricular septum in the sheep heart has a thick muscular wall
Laboratory Report 19
Transcribed Image Text:D. Sheep Heart Dissection 1. Indicate the number of cusps composing the heart valves. Mitral Tricuspid 2. Compare the thickness of the valve cusps. Atrioventricular valves Semilunar valves 3. Which ventricle has the thicker wall? 4. Are the tendinous cords fragile or strong? Describe their function. The right valve has three cusps and the left valve has two cusps 292 Aortic Pulmonary. The left ventricle has the thickest wall They are strong They prevent cusps from being pushed too far into the atria by increased ventricular pressure. 5. Is the ventricular septum a thin sheet of connective tissue or a thick muscular wall? The ventricular septum in the sheep heart has a thick muscular wall Laboratory Report 19
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