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Nephridia are excretory organs found in various invertebrates, particularly in annelids (such as earthworms) and some mollusks. These structures are responsible for filtering waste from the coelomic fluid and play a key role in osmoregulation. In annelids, nephridia are typically located in pairs along each segment of the body.
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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.
Water and nutrients are reabsorbed from the nephridia into?
The water and nutrients are reabsorbed from the nephridia into the blood vessels surrounding the nephridia. This process helps to conserve essential substances and maintain the balance of fluids and solutes in the body.
What is the organ which cleans a mollusks hemolymph?
nephridia
What organs are located in the nephridia?
Nephridia are excretory organs found in many invertebrates, such as annelids and mollusks. They primarily consist of a tubular structure that filters waste from the coelomic fluid and excretes it. The main components of nephridia include the nephrostome (an opening for fluid intake), a tubule where reabsorption occurs, and an exterior opening for waste elimination. Overall, nephridia play a crucial role in osmoregulation and excretion.
How do annelids excrete cellular waste?
An annelid excretes solid waste through its anus. However, metabolic wastes are excreted by its nephridia, a pair of organs.
What phylum includes worms that excrete by means of nephridia?
The phylum Annelida includes worms that excrete waste through structures called nephridia. Nephridia are tubular structures that filter waste from the coelomic fluid and release it outside the body through pores called nephridiopores.
Is the nephridia involved in the absorption on nurtients in a starfish?
Yes.
What are the organs of the simple excretory systems of earthworms?
nephridia
What human organ do the nephridia of the earthworm correspond?
Kidney
What is another name for nephridia?
There are several other names used when referring to nephridia. Some of these include metanephridium, protonephridia, and metanephridia. It is basically an invertebrate organ that performs similar functions as the kidney.
The green glands in a crayfish is homologous to what organ in the earthworm?
nephridia
What are the organs of the simple excretory system of earthworms called?
nephridia
