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Tricuspid valve is found in between...

Tricuspid valve is found in between

A

two atria

B

two ventricles

C

left atrium and ventricle

D

right atrium and ventricle

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The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding the Heart Structure**: The heart consists of four chambers: two atria (upper chambers) and two ventricles (lower chambers). The right atrium receives deoxygenated blood from the body, while the right ventricle pumps it to the lungs for oxygenation. 2. **Identifying the Valves**: The heart has several valves that ensure unidirectional blood flow. The tricuspid valve is one of these valves. 3. **Locating the Tricuspid Valve**: The tricuspid valve is specifically located between the right atrium and the right ventricle. It is classified as an atrioventricular valve because it separates an atrium from a ventricle. 4. **Function of the Tricuspid Valve**: The primary function of the tricuspid valve is to prevent the backflow of blood from the right ventricle into the right atrium during ventricular contraction (systole). 5. **Conclusion**: Therefore, the tricuspid valve is found between the right atrium and the right ventricle. ---
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Which of the following statement is CORRECT ? I. Heart, the mesodermally derived organ, is situated in the thoracic cavity, in between the two lungs , slightly tilted to the left. II. During joint diastole , tricuspid and bicuspid valves are open and the semilunar values are closed. III. The first heart sound (lub) is associated with the closure of the tricuspid and biscuspid valves whereas the second heart sound (dub) is associated with the closure of the semilunar valves . IV. Neural signals through the sympathetic nerves can increases the rate of hearbeat, the strength of ventricular contraction and thereby the cardiac output.