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

Q: 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.

A: There are three chambers in a reptiles heart.
****
Q: 17 Pathogen Disease-causing biological agent such as a bacterium, virus, or fungus.

A: Bacteria, viruses, fungi, and protozoa are examples of a pathogen, the term for a disease-causing microorganism.
****
Q: An enzyme is a biological catalyst, i.e., it speeds up the rate of a biochemical reaction without being consumed during the course of that reaction.

A:
Enzymes speed up the rate of a specific chemical reaction and are therefore known as biochemical catalysts.
****
