How does a grasshopper breath?
Answers
Insects ,and some other invertebrates ,exchange oxygen and carbon dioxide between their tissue and the air by a system or air -filled tubes called tracheae .tracheae open to the outside through small holes called spiracles .in grasshopper ,the first and third segments of the thorax have a spiracle on each side
Answer for Class 11 Biology Students
Respiratory system of grasshopper consists of network of trachea. Trachea open to exterior through small holes called spiracles present on the lateral side of body. Ultimate fine branches of trachea are called tracheoles. These are in direct contact with individual cells. Exchange of gases take place at tracheoles by diffusion. Such a system constitutes direct respiration in which exchange of respiratory gases (O2 and CO2) occurs directly through tracheal network. Haemolymph or blood is devoid of respiratory pigment and plays no role in exchange of respiratory gases.
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