Question

Lungs function as part of the __________ system and the __________ system.

Group of answer choices

circulatory; endocrine

digestive; musculoskeletal

excretory; respiratory

immune; reproductive

Answer 1

Excretory respiratory

Answer 2

excretory; respiratory

Step-by-step explanation:

The lungs are responsible for the excretion of gaseous wastes, primarily carbon dioxide from cellular respiration in cells throughout the body. Exhaled air also contains water vapor and trace levels of some other waste gases.