Question

Mixing of blood takes place in amphibians. Justify​

Answer 1

Answer:

Amphibians have a three-chambered heart - two atria and one ventricle. The mixing of oxygenated and deoxygenated blood is kept to a minimum due to the timing of the contractions between the atria. This is called an incomplete double circulatory system.

Answer 2

Explanation:

Amphibians have a three-chambered heart - two atria and one ventricle. The mixing of oxygenated and deoxygenated blood is kept to a minimum due to the timing of the contractions between the atria. Amphibians force the air into their lungs using throat muscles in a process called buccal pumping.

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