Book lung - Wikipedia
网页A book lung is a type of respiration organ used for atmospheric gas exchange that is present in many arachnids, such as scorpions and spiders. Each of these organs is located inside an open ventral abdominal, air-filled cavity (atrium) and connects with its surroundings through a small opening for the purpose of respiration .
Book lung | Arachnid, Respiration & Gas Exchange | Britannica
网页Book lung, form of respiratory organ found in certain air-breathing arachnid arthropods (scorpions and some spiders). Each book lung consists of a series of thin plates that are highly vascular (i.e., richly supplied with blood) and are arranged in relation to each other like the pages of a book.
Book lungs Definition and Examples - Biology Online Dictionary
网页2022年6月12日 · What are book lungs? In biology, the book lungs are a kind of respiratory organ seen in arachnid arthropods (in horseshoe crabs, scorpions, and some spiders) that breathe air.
Arachnid - Respiratory System, Gases, Tracheae | Britannica
网页2024年9月27日 · Two types of respiratory organs are found among arachnids: book lungs and tracheae. Book lungs are found in hardened pockets generally located on the underside of the abdomen.
Book Lungs | Overview, Structure & Function | Study.com
网页2023年11月21日 · Book lungs are responsible for helping certain animals breathe and can be found in arachnids like spiders and scorpions. Book lungs are made of ''pages'' of thin membranes referred to as...
Respiratory System - Ask A Biologist
网页2018年10月1日 · Spiders and some invertebrates have what are called “book lungs.” Book lungs get their name because they look like a book, opened, with some pages separated. Air fills these spaces, and oxygen can diffuse into the tissue of the book lungs.
Spiracle | Insects, Respiration, Trachea | Britannica
网页spiracle, in arthropods, the small external opening of a trachea (respiratory tube) or a book lung (breathing organ with thin folds of membrane resembling book leaves). Spiracles are usually found on certain thoracic and abdominal segments.
Take a deep breath… The evolution of the respiratory system of ...
网页2021年11月10日 · The anterior respiratory system (ARS) of spiders is situated in the second opisthosomal segment (epigastric area, between the pedicel and the epigastric furrow) and consists of the anterior book lungs in most species. The book lung spiracles are openings usually connected with the epigastric furrow.
What are book lungs and what purpose do they serve? - CK-12 Foundation
网页Book lungs and the trachea allow arthropods to breathe air. Book lungs are stacked folds of tissue with air pockets in between the folds. Gases are exchanged between blood and air across the tissues. Trachea refers to a system of tubules that take in air.
Book lung - Amateur Entomologists' Society (AES)
网页Book lungs are the main respiratory organ in most arachnids (spiders and scorpions). Book lungs are within small openings in the abdomen of the arachnid. The book lungs themselves consist of a series of haemolymph filled plate-like structures.