The arrangement of heart values from the right to the left side is

Options

A. Tricuspid value - Bicuspid value - Pulmonary semilunar value - Aortic Semilunar value
B. Tricuspid value - Pulmonary semilunar value - Bicuspid value - Aortic Semilunar value
C. Tricuspid value - Aortic Semilunar value - Bicuspid value - Pulmonary semilunar value
D. Tricuspid value - Pulmonary semilunar value - Aortic Semilunar value - Bicuspid value

Answer

To determine the arrangement of heart valves from the right to the left side, we need to understand the structure of the human heart and the specific valves involved in the flow of blood. Here’s a step-by-step breakdown of the solution:

### Step 1: Identify the Valves
The heart has four main valves:
1. Tricuspid Valve
2. Pulmonary Semilunar Valve
3. Aortic Semilunar Valve
4. Bicuspid Valve (also known as Mitral Valve)

### Step 2: Understand the Blood Flow
Blood flows through the heart in a specific sequence:
- Deoxygenated blood enters the right atrium from the body.
- It then flows through the tricuspid valve into the right ventricle.
- From the right ventricle, blood is pumped through the pulmonary semilunar valve into the pulmonary artery, which leads to the lungs for oxygenation.

### Step 3: Continuing Blood Flow to the Left Side
Once the blood is oxygenated in the lungs:
- It returns to the left atrium via the pulmonary veins.
- From the left atrium, blood flows through the bicuspid (mitral) valve into the left ventricle.
- Finally, blood is pumped from the left ventricle through the aortic semilunar valve into the aorta, distributing oxygenated blood to the body.

### Step 4: Arranging the Valves from Right to Left
Based on the flow of blood and the position of the valves, the correct arrangement of the heart valves from the right side to the left side is:
1. Tricuspid Valve
2. Pulmonary Semilunar Valve
3. Aortic Semilunar Valve
4. Bicuspid (Mitral) Valve

### Conclusion
Thus, the correct answer for the arrangement of heart valves from the right to the left side is:
**Tricuspid Valve → Pulmonary Semilunar Valve → Aortic Semilunar Valve → Bicuspid Valve.**

### Final Answer
The correct option is **Option 4: Tricuspid Valve, Pulmonary Semilunar Valve, Aortic Semilunar Valve, Bicuspid Valve.**

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