Tag Archives | Respiratory Tract

Structure of the Respiratory Tract of Humans (With Diagram) | Biology

In this article we will discuss about the structure of respiratory tract of humans with the help of suitable diagram. Also learn about its functions. i. Upper respiratory tract extends from the upper nares to the vocal cord. (Fig. 8.1) ii. Lower respiratory tract extends from the vocal cord to the alveoli. Trachea: The trachea (windpipe) is a cartilaginous and [...]

By Rakshitha C|2017-07-27T08:05:45+00:00July 27, 2017|Respiratory System|Comments Off

Top 2 Processes Involved in Vocalisation | Larynges | Humans | Biology

Two separate processes are involved in vocalisation: 1. Phonation 2. Atriculation. Process # 1. Phonation: The whole process is dominated and co-ordinated by speech centre in the cerebral cortex, damage to which will lead to permanent aphasia. Phonation is due to vibration of vocal cords which are folds stretched along the lateral wall of the larynx between thyroid and arytenoid [...]

By Rakshitha C|2017-07-27T08:05:42+00:00July 27, 2017|Respiratory System|Comments Off