3D specimen stage / Cardiovascular

Heart

Cor

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CardiovascularHRA · CC BY 4.0

Structural overview

A hollow muscular organ whose rhythmic contractions move blood through pulmonary and systemic circulation.

Keeps oxygen, nutrients, and metabolic waste moving through the body.

Guided learning

4 minute learning task

0/3

Locate the left ventricle, inspect the heart interior, and explain how structure relates to pumping pressure.

Locate
Select the left ventricle label on the 3D specimen.
Observe
Turn on section mode and move section depth beyond 0.18.
Explain
Complete the quick quiz to check the structure-pressure relationship.

Selected structure

Aorta

The largest artery carrying oxygenated blood into systemic circulation.

Key facts

Size: About the size of a fistSource linked · review pending
Weight: About 250 to 350 g in adultsSource linked · review pending
Location: In the mediastinum, behind the sternumSource linked · review pending
Resting output: Roughly 5 L of blood per minuteSource linked · review pending

Primary functions

Content is synthesized from OpenStax and the U.S. National Library of Medicine.