Question

Starting from the nostrils, trace the path in sequence which the inspired air takes until it reaches the air sacs. <!--td {border: 1px solid #cccccc;}br {mso-data-placement:same-cell;}--> [Review Questions - Pg No.149 - LAT - 1]

Answer 1

The respiratory organs involved in breathing are:

• Nose: It bears two nostril that are separated by cartilaginous septum.
• Pharynx: It is the opening of wind cavity and is situated at the back of the mouth.
• Larynx: It is the voice box. It is a hollow cartilaginous structure situated at the beginning of the wind pipe.
• Trachea: It emerges from the larynx. It is also known as windpipe.
• Bronchi: The trachea divides into two tubes known as the bronchi.
• Lungs: These are the pair of spongy and elastic organs that are formed by the air sacs , connecting bronchioles and blood vessels.