Question

Pre and post caval veins open into :​

Answer 1

Explanation:

A large vein, the azygos, which receives oxygen-poor blood from the chest wall and the bronchi, opens into the superior vena cava close to the point at which the latter passes through the pericardium, the sac that encloses the heart. ... There is no valve at the heart opening.

hope it's u uh

Answer 2

The answer to the location where the pre and post caval veins open are given below:

• The right atrium is the actual location of the opening of the pre and post-caval veins.
• The post-caval vein is also regarded as the inferior vena cava.
• The post-caval vein carries the deoxygenated blood from the abdominal and lower portions of the body to the right atrium region of the heart.
• The pre-caval vein similarly opens into the right atrium region, present in the right heart.

Hence, the correct answer to the location of the opening of the pre and post caval veins would be the Right Atrium.

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