Step-by-step explanation:
The lungs are specialized organs in the process of inspiration and expiration. They are part of the pulmonary system. Lung tissue is elastic which allows it to inflate and deflate without losing its shape. Therefore, the lung tissue is not rigid. On the other hand, the lungs must be of sufficient size to satisfy the vital respiratory processes of the organism that possesses them. In humans, the lungs are large. The weight depends on the sex and the hemithorax they occupy, but approximately the right lung weighs an average of 600 grams and the left reaches an average of 500.
Then, we can conclude that the correct answer is:
Answer:
4)Lungs are large and spongy.