You are given a sentence and your task is to generate another sentence that supports the given input.

Example Input: Amphibians and most living reptiles have a three-chambered heart, which has usually been regarded as inferior to the four-chambered heart of living mammals and birds.
Example Output: There are three chambers in a reptiles heart.

Example Input: Cardiac output is the volume of blood pumped by the left ventricle into the aorta in one minute, and is equal to the produce of stroke volume x heart rate.
Example Output: The term cardiac output, calculated by multiplying heart contractions by stroke volume, means the volume of blood pumped by the heart in one minute.

Example Input: Reptiles are cold-blooded, or ectothermic, meaning that their heat come from their environment.
Example Output:
Reptiles are described by the term ectothermic, which means their internal temperature depends on the temperature of their environment.