Q: What are the main organs for breathing in a mammal?


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

All mammals have lungs that are the main organs for breathing. Lung capacity has evolved to support the animal’s activities. During inhalation, the lungs expand with air, and oxygen diffuses across the lung’s surface and enters the bloodstream. During exhalation, the lungs expel air and lung volume decreases. In the next few sections, the process of human breathing will be explained.

 Choices:

- gills

- nostrils

- intestines

- lungs


A:
lungs