Spiracular control - respiration, Biology

Assignment Help:

Spiracular Control - Respiration

Another very interesting system of spiracular control is seen in some insect species. The spiracles are kept closed tightly most of the time. When the insect requires oxygen the spiracles open partially and close rapidly again. This 'fluttering' of the spiracle lets the air enter in a streaming movement without much loss of water.

Once a high partial pressure of oxygen is reached the spiracles close. While the oxygen is utilised by the tissues the carbon dioxide is stored temporarily in the tissues as bicarbonates thus keeping the Pco2 within tolerable limits, when Pco2, reaches a critical limit the spiracles open fully and expel the carbon dioxide in a single burst and the cycle is repeated.


Related Discussions:- Spiracular control - respiration

Name the different systems of the body, The Different systems of the body a...

The Different systems of the body are: 1) Nervous System 2) Respiratory System 3) Cardiovascular System 4) Neurological and Sensory System 5) Gastrointestinal Syste

Define the risk reduction in cardiovascular disease, Q. Define the Risk red...

Q. Define the Risk reduction in cardiovascular disease? Ans. Weight loss by caloric restriction diets has been shown to decrease plasma CRP levels. Additional data indicat

What is the central dogma of molecular biology, What is the central dogma o...

What is the central dogma of molecular biology? Succinctly (and clearly) describe the concept.

Determine the long lasting vaccine against common cold, Why doesn't a long ...

Why doesn't a long lasting vaccine against common cold exist yet? Viruses that show a high mutation rate like the virus that causes the common cold escape simply from the actio

Approach grafting, Approach grafting In this method both scion and s...

Approach grafting In this method both scion and stock remain rooted. A small slice is cut off from the stem of scion and stock. Scion is bent towards the stock. The two c

Explain phosphofiuctokinase-i, Phosphofiuctokinase-I Phosphofiuctokina...

Phosphofiuctokinase-I Phosphofiuctokinase-I  is activated by AMP and  inhibited by ATP and citrate. When ATP is utilized in energy requiring process, the concentration ofAMP

Define the term underweight, Define the term Underweight? Just as overw...

Define the term Underweight? Just as overweight is the result of a positive energy balance irrespective of the etiology, underweight results when the energy balance is negative

What are the main human degenerative diseases, What are the main human dege...

What are the main human degenerative diseases? The main human degenerative diseases are separated into three groups: cardiovascular diseases, neoplastic diseases and degenerat

Empyema, Empyema: Empyema is accumulation of  thick pus in the pleural...

Empyema: Empyema is accumulation of  thick pus in the pleural cavity. Primary infection of pleura does not arise so the pathology may either be in chest wall, mediastinum or t

What is paedomorphosis. explain in brief., What is Paedomorphosis. Explain ...

What is Paedomorphosis. Explain in brief. When sexually mature adults have characteristics which would normally be associated with the larval stage. It happens since reproducti

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd