Systemic circulation takes place between which chambers of heart –

Options

A. Left atrium and left ventricle
B. Left ventricle and right atrium
C. Right atrium and right ventricle
D. Right ventricle and left atrium

Answer

To determine between which chambers of the heart systemic circulation takes place, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Systemic Circulation**:
- Systemic circulation refers to the pathway through which oxygenated blood is distributed from the heart to the rest of the body and then returns deoxygenated blood back to the heart.

2. **Identifying the Chambers of the Heart**:
- The heart has four chambers:
- Right Atrium
- Right Ventricle
- Left Atrium
- Left Ventricle

3. **Role of Each Chamber**:
- The **Left Atrium** receives oxygenated blood from the lungs.
- The **Left Ventricle** pumps oxygenated blood to the body.
- The **Right Atrium** receives deoxygenated blood from the body.
- The **Right Ventricle** pumps deoxygenated blood to the lungs for oxygenation.

4. **Analyzing the Options**:
- **Option 1: Left Atrium and Left Ventricle**: This option is incorrect because while these chambers are involved in the circulation of oxygenated blood, they do not represent systemic circulation.
- **Option 2: Left Ventricle and Right Atrium**: This option is correct because the Left Ventricle pumps oxygenated blood to the body (systemic circulation), and the Right Atrium receives deoxygenated blood returning from the body.
- **Option 3: Right Atrium and Right Ventricle**: This option is incorrect as it pertains to pulmonary circulation, not systemic circulation.
- **Option 4: Right Ventricle and Right Atrium**: This option is also incorrect for the same reason as option 3.

5. **Conclusion**:
- The correct answer is **Option 2: Left Ventricle and Right Atrium**. This indicates that systemic circulation takes place between these two chambers.