Question

your classmates are discussing different organs and organ systems within the body. your friend states that \the excretory system includes multiple organs, and one of those organs is the lung.\ you argue that the lungs cant possibly be in the excretory system since they are part of the respiratory system. which of the following choices would be the best statement that your friend would use to justify why the lungs help keep homeostasis as part of the excretory system? a. the lungs bring in oxygen, which is a vital gas to keep our cells alive and healthy. b. the lungs provide cells with a gas that is important for the cell process of respiration. c. the lungs exhale carbon dioxide, which is a waste gas and needs to be removed from the body. d. the lungs remove waste in the form of solids, liquids, and gases that could be harmful for the body.

Explanation:

The excretory system is responsible for removing waste from the body. Lungs exhale carbon - dioxide, a waste gas, which is a function related to waste removal and thus part of excretory - system function in terms of gas - waste elimination.

Answer:

C. The lungs exhale carbon dioxide, which is a waste gas and needs to be removed from the body.