Step 1: Understanding the Concept
Lungs are respiratory organs which also excrete some waste by exhalation.
Step 2: Check each statement
(A) is true as the lungs are respiratory organs.\n(B) is false because oxygen is taken in, not excreted.\n(C) is true as volatile substances of spices and garlic leave in exhaled air.\n(D) is true because gases are exchanged at the alveoli.
Step 3: Conclusion
Statements A, C and D are correct.
Final Answer:
(A), (C) and (D) are correct.
\[ \boxed{\text{(B) }\text{(A), (C) and (D) are correct}} \]