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Define the Following: Sneeze Reflex - Biology

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प्रश्न

Define the following:

Sneeze Reflex

परिभाषा

उत्तर

Sneeze Reflex: It is a type of reflex whose stimulus is in the nasal passage which causes spasmodic contraction of expiratory muscles that forcefully expel the air through the nasal passage.

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अध्याय 19: Respiratory System - Exercise [पृष्ठ १७६]

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फ्रैंक Biology [English] Class 9 ICSE
अध्याय 19 Respiratory System
Exercise | Q 9.2 | पृष्ठ १७६

संबंधित प्रश्न

Differentiate between the following pairs on the basis of the aspect given in the brackets.

Respiration and Photosynthesis (Gas released)


Give suitable explanation for the following :

Why does gaseous exchange continue in the lungs even during expiration?


With regard to the respiratory system and the process of respiration in man, answer the following question:

Briefly describe how the above mentioned muscles help in the inspiration of air. 


Put a tick (✓) against the most appropriate alternative in the following statement.

The process during which food is oxidised and energy is released is called


What factors are most likely to affect the breathing rate?


Define the following:

Apnea


Give the functions of the following:

Conchae


Give the functions of the following:

Epiglottis


Give the functions of the following:

Cartilaginous rings


Note the relationship between the first two words and suggest a suitable word for the fourth place.

Nasal Chamber __ Accliamatization, Larynx __ ______.


Very short answer question.

Why does trachea have ‘C’ shaped rings of cartilage?


Answer the following question.

A student observed that the cockroaches are killed for dissection by simply putting them in soap water. He inquired whether soap is so poisonous. Teacher said it is due to its peculiar respiratory system. How?


Which of the following is the structural and functional unit of pulmonary respiration?


Which of the following has a set of lymphoid organs called tonsils?


Assertion: Human being has a complex respiratory system.

Reason: Human skin is impermeable to gases.


______ are located within the chest cavity.


Pick the odd one out from each of the groups given below on the basis of respiratory organs. Give a reason for your answer.

cockroach, grasshopper, snail, ant


What is the significance of ciliated epithelium present in the nostrils?


Which of the following divides nasal cavity?


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