Question:

What is the difference between a single circulatory system and a double circulatory system?

Answer:

The double circulatory system of blood flow refers to the separate systems of pulmonary circulation and the systemic circulation in amphibians, birds and mammals (including humans.) In contrast, fish have a single circulation system because they do not have lungs. All animals with lungs have a double circulatory system.


Tags:
circulatory system
Anatomy
Biology
Angiology
Cardiovascular system
Double circulatory system
Organs
Lung
Systemic circulation
Blood
Amphibian
Pulmonary circulation
Health Medical Pharma
Environment
systems
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