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Pulmonary circuit — OCR GCSE Combined Science A Definition

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Combined Science
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Pulmonary circuit

GCSE Combined Science · key term

Pulmonary circuit

Definition

The route of blood from the right side of the heart to the lungs and back to the left side of the heart.

Used by OCR

How each exam board covers it

OCR GCSE Combined Science A · J250

Specification B2.2c · Biology Paper 1

The pulmonary circuit connects the heart and lungs, while the systemic circuit connects the heart and the rest of the body. Together they form a double circulatory system.
Revise: Human Circulatory System

OCR Combined Science A past papers

Related key terms

Artery
Capillary
Circulatory system
Deoxygenated blood
Double circulatory system

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Oxygenated blood

Systemic circuit