Open main menu

Atrium

Revision as of 09:14, 28 October 2019 by NRJC (talk | contribs)

Contents

Key Stage 4

Meaning

 
A diagram showing the 4 chambers of the heart with the atria at the top.

The atria are chambers in the heart where blood enters through veins.

Singular Noun: Atrium
Plural Noun: Atria

About the Atria

The atria are separated from the ventricles by heart valves.
The heart has two atria. A right atrium and a left atrium
The right atrium receives deoxygenated blood from the body through a vein called the Vena Cava and pumps it into the right ventricle.
The left atrium receives oxygenated blood from the lungs through a vein called the Pulmonary Vein and pumps it into the left ventricle.

References

AQA

Atria, page 30, GCSE Combined Science; The Revision Guide, CGP, AQA
Atria, page 34, GCSE Biology; The Revision Guide, CGP, AQA
Atria, pages 52, 53, GCSE Combined Science Trilogy 1, Hodder, AQA
Atria, pages 73-75, GCSE Combined Science Trilogy; Biology, CGP, AQA
Atria, pages 79-81, GCSE Biology, CGP, AQA
Atrium, pages 114-5, 121, GCSE Biology; Student Book, Collins, AQA