Question

what is double circulation give examples? ​

Answer 1

Explanation:

The pulmonary circuit transports blood to the lungs. The blood is oxygenated there and then carried back to the heart. Gaseous exchange happens in the lungs: carbon dioxide diffuses from the blood into the air in the alveoli.

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Answer 2

Answer:

The pulmonary circuit transports blood to the lungs. The blood is oxygenated there and then carried back to the heart. Gaseous exchange happens in the lungs:

• carbon dioxide diffuses from the blood into the air in the alveoli
• oxygen diffuses from the air in the alveoli into the blood, and is absorbed by haemoglobin in the red blood cells