GCSE Physical Education · key term

Semi-lunar valve

Definition

A valve at the exit of a ventricle that prevents blood returning from an artery into the ventricle. These valves are at the entrances to the pulmonary artery and aorta.

Used by Edexcel

How each exam board covers it

Edexcel GCSE Physical Education · 1PE0

Specification 1.2.2 · Paper 1

The right ventricle then contracts and pushes blood through a semi-lunar valve into the pulmonary artery. This artery carries deoxygenated blood to the lungs. There, blood gains oxygen and releases carbon dioxide.
Revise: Structure of the cardiovascular system

Edexcel Physical Education past papers

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Definition

How each exam board covers it

Edexcel GCSE Physical Education · 1PE0

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