Spiders have two primary respiratory organs, the book lung and the trachea . When breathing a muscular hole called the spiracle opens and allows air to enter the trachea. As the air flows through the trachea and book lungs, oxygen and carbon dioxide are exchanged via passive diffusion.
Spiders (Araneae) are unique regarding their respiratory system: they are the only animal group that breathe simultaneously with lungs and tracheae. |
One of the striking characteristics of arachnids is the occurrence within the group of localized book lungs as well as tracheae. Some orders' have only book. |
13 февр. 2019 г. · Spiders have lungs but no active diaphragm. The air passes through the lungs passively. They either have book lungs or tracheae, which is pretty ... |
10 нояб. 2021 г. · Spiders are unique in having a dual respiratory system with book lungs and tracheae, and most araneomorph spiders breathe simultaneously via book lungs and ... |
Respiratory system of arachnids I: morphology of the ... www.sciencedirect.com › article › abs › pii
Like most neocribellate spiders, jumping spiders possess a double respiratory system consisting of book-lungs and tube tracheae. |
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