Deoxygenated blood from wall of heart is carried by

Options

A. coronary sinus
B. inferior vena cava
C. superior vena cava
D. pulmonary artery

Answer

To answer the question "Deoxygenated blood from the wall of the heart is carried by," we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Structure of the Heart**: The human heart is a four-chambered organ consisting of two atria (right and left) and two ventricles (right and left).

2. **Identify the Role of the Right Side of the Heart**: The right side of the heart is responsible for receiving deoxygenated blood. This blood comes from various parts of the body and is low in oxygen.

3. **Recognize the Source of Deoxygenated Blood**: Deoxygenated blood from the body returns to the heart through two major veins: the superior vena cava (which carries blood from the upper body) and the inferior vena cava (which carries blood from the lower body).

4. **Identify the Pathway of Deoxygenated Blood**: Once deoxygenated blood enters the right atrium from these veins, it is then pumped into the right ventricle.

5. **Understand the Coronary Sinus**: The coronary sinus is a large vein that collects deoxygenated blood from the heart muscle (myocardium) itself and drains it into the right atrium.

6. **Conclude the Answer**: Therefore, the correct answer to the question is that deoxygenated blood from the wall of the heart is carried by the **coronary sinus**.