Taeniae are found in:

Which of the following statements is false?

The lungs are composed of $........$.

During swallowing,the glottis can be covered by a thin elastic cartilaginous flap called $A$ to prevent the entry of food into the larynx. The trachea is a straight tube extending up to the $B$ cavity,which divides at the level of the $5^{th}$ thoracic vertebra into right and left primary $C$. Choose the correct option for $A, B$,and $C$ from the given four options to complete the above statement with reference to the $NCERT$ textbook.

The lungs of humans and rabbits are . . . . . . .

In human beings,lungs are divided into: