INSECT RESPIRATION.

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Presentation transcript:

INSECT RESPIRATION

Spiracles

Spiracle Structure

Spiracular structure peritreme spines atrium trachea

Spiracular Valves valve filter peritreme trachea valves Closer muscle

Respiratory System

Tracheal Support Taenidia Annuli

Respiratory System - Major Trachea dorsal trunk heart dorsal commissure lateral trunk thoracic air sac spiracle gut ventral trunk ventral nerve cord ventral commissure

Oxygen Delivery to Cells

Ventilation Mechanisms - Passive Level or rate of release closed open closed open closed Time Water CO2 Spiracle Oxygen

An interesting movie on insect respiration http://www.aps.anl.gov/News/APS_News/2003/20030127a.htm

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