Anatomy & Physiology › Section Q · The heart › Topic Q.1
Heart anatomy
The heart is two pumps joined side by side, wrapped in a protective sac and fed by its own small arteries. Knowing its chambers, valves and vessels lets you trace every drop of blood through it.
In this topic
- A double pump in the chest
- The pericardium
- Three layers of the wall
- Chambers, septa and surface grooves
- The right side: to the lungs
- The left side: to the body
- Valves: one-way doors
- Worked example: tracing one drop of blood
- Coronary circulation
- Worked example: reasoning about a blocked artery
- Common mistakes to avoid
- Key takeaways
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