Q: How many chambers are in a reptiles heart?


Read this paragraph and choose the correct option from the provided answers:

Reptiles are a class of ectothermic, tetrapod vertebrates. They have several adaptations for living on dry land, such as tough keratin scales and efficient lungs for breathing air. They also have a three-chambered heart and relatively well-developed brain.

 Choices:

- ten

- two

- five

- three


A:
three