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What human organ do the nephridia of the earthworm correspond?
Kidney
The green glands in a crayfish is homologous to what organ in the earthworm?
nephridia
Which structures are directly involved in the process of excretion in an earthworm?
nephridia and moist skin
Which segments lack nephridia?
In an earthworm, nephridia occur in all body segments except the first three segments. Integumentary nephridia are V-shaped and lack nephrostomes.
Which organism eliminates water urea and mineral salts by means of nephridia?
The Earthworm eliminates by means of nephrdia.
Which of the parts of the worm's body includes in the excretory system?
An earthworm's excretory system contains pairs of integumentary, septal, and pharyngeal nephridia. Each nephridia is located in a different segment of the body.
What are the main excretory organs of the flatworms?
nephridia
What are the organs of the simple excretory system of earthworm's called?
nephridia
What parts of the worms body is included in the exceretory system?
An earthworm's excretory system contains pairs of integumentary, septal, and pharyngeal nephridia. Each nephridia is located in a different segment of the body.
What is the excretory system of annelids?
NEPHRIDIA:- In earthworm excretion occurs through nephridium. The excretory system in earth worm is closely associated with its closed circulatory system. Each segment of earthworm consists of a pair of nephridia or in some species cluster of nephridium. NEPHRoSTOME:- The colemic fluid or body fluid enters the nepridium through a membrane which is cilliated called nephrdiostome. NEPHRIDIOPORE:- The body fluid after reabsorption from the nephridia opens into a large bladder which opens to exterior through nephridiopore. Ammonia and water are waste products excreted by nephridia while CO2 is excreted through general body surface.
What does the earthworm's nephridia do?
the kidney, which is part of the excretory system.
What is the function of the squids nephridium?
The function of these openings is to excrete waste from the earthworms body.
