Search results for "Excretory System" - New World Encyclopedia

The digestive system consists of a mouth, pharynx, and an intestine ... carbon dioxide by diffusion. The excretory system is made of many tubes ...

and lack a true circulatory or respiratory system; they do have a bilateral ... outthe length of the body. Their main excretory units are protonephric ...

calcite skeleton, a water-vascular system, adhesive "tube feet ... possess an open and reduced circulatory system, and have a complete digestive ...

A kidney is a bean-shaped excretory organ in vertebrates. Part of ... The action of nephrons are regulated by the endocrine system by hormones ...

(typically with spines), a water-vascular system, adhesive "tube feet ... tube (tubular gut). They lack an excretory system. [[Image:Brittlestar ...

cells that serve a variety of secretory, excretory, and storage functions ... and its possible roles in nervous system diseases, damage and repair ...

instead using a hydraulic water vascular system that functions via many projections ... system) that is linked with their excretory system. In the starfish, the ...

function as the sponge's digestive system and are remarkably similar ... Sponges have no true circulatory system; however, the water current ...

gland of the male mammalian reproductive system, located at the base of the ... outside of the body. The urethra has an excretory function in both genders ...

Sea turtles possess a salt excretory gland at the corner of the eye ... and they have a countercurrent circulatory system that helps in heat retention ...