Which organ is represented by cross-section A?
Life sciences ​

You know that the thorax contains a major organ called the heart. Let's take a look at it by taking a cross section at a lower level, passing through the seventh thoracic vertebra. This cross section is fairly similar to the previous one, with a few exceptions.

Explanation:

You know that the thorax contains a major organ called the heart. Let's take a look at it by taking a cross section at a lower level, passing through the seventh thoracic vertebra. This cross section is fairly similar to the previous one, with a few exceptions.

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