The respiratory system of gastropods varies greatly in form. These variations were once used as a basis for dividing the group into subclasses. The majority...

The respiratory system (also respiratory apparatus, ventilatory system) is a biological system consisting of specific organs and structures used for gas...

a respiratory opening of the external body anatomy of an air-breathing land slug or land snail. It is a part of the respiratory system of gastropods. It...

As in other molluscs, the circulatory system of gastropods is open, with the fluid, or haemolymph, flowing through sinuses and bathing the tissues directly...

oxygen-capturing molecule. The respiratory system of gastropods can include either gills or a lung. Aquatic arthropods generally possess some form of gills in which gas...

digestive system of gastropods proboscis#Gastropods radula odontophore hepatopancreas = digestive gland diverticulum (mollusc) style (zoology) Respiratory system...

reproductive adaptations of gastropods vary significantly from one clade or group to another, so stating many generalities for all gastropods is difficult. The...

Polyplacophorans (chitons), and in aquatic gastropods such as freshwater snails and marine snails. Some aquatic gastropods possess one ctenidium known as monopectinate...

equivalent to the organic periostracum found in other gastropods, and the innermost layer is made of aragonite. The foot is also unusual, being armored at...

order to hunt for food. Marine gastropods that have a siphon are either predators or scavengers. Although in gastropods the siphon functions perfectly...