I believe the correct answer is B. Nephridia are excretory organs. They are organs found in invertebrate animals that are present in pairs and are responsible for performing functions that are similar to the kidney of a vertebrate. They excrete wastes from metabolic processes.
Answer:
In heart valve disease, one or more of the valves in your heart doesn't work properly. Your heart has four valves that keep blood flowing in the correct direction. In some cases, one or more of the valves don't open or close properly. This can cause the blood flow through your heart to your body to be disrupted.
Norovirus is the most common and leading cause of food borne illness.
Answer:
Brainliest
Explanation:
Skylight damage is particularly problematic because it an allow moisture to seep into the roof structure and lead to mold and structural damage. Even the rips in window screens limit your protection from the elements as bugs start moving into your home through the ripped screens and cracked windows.
