zm Aduh amphiblans have a heart containing how many chambers? 3 Two Three Four One

## Step 1<br />The problem is asking about the number of chambers in the heart of amphibians. Amphibians are a group of cold-blooded vertebrates that include frogs, toads, and salamanders. They are unique in that they can live both in water and on land.<br />## Step 2<br />The heart of amphibians is a three-chambered organ. This means it has three chambers: two atria and one ventricle. The atria receive blood from the body, while the ventricle pumps the blood out to the body.<br />## Step 3<br />This three-chambered heart is a characteristic feature of amphibians. It allows them to efficiently pump blood to their bodies while also allowing some mixing of oxygenated and deoxygenated blood. This is a unique feature of amphibians and is not found in other vertebrates.