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Question
Digestion in Hydra takes place within ____________.
Digestion in Hydra takes place within ____________.
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Solution
The correct option is B Gastrovascular cavity
Digestion in Hydra takes place within the gastrovascular cavity. Digestion in this animal gets completed in two stages - extracellular digestion and intracellular digestion.
First, digestive juices are secreted by the cells of the inner lining of the cavity, which leads to the killing of the engulfed prey. At this point, the digestive enzymes start their action on the food and results in their digestion. The digestive process occurring inside the gastrovascular cavity is known as extracellular digestion.
In the next stage, the tiny fragments of food are absorbed by the nutritive cells present in the lining of the gastrovascular cavity. They are further digested within food vacuoles. This type of digestion is called intracellular digestion.So, the correct answer is 'Gastrovascular cavity'
Digestion in Hydra takes place within the gastrovascular cavity. Digestion in this animal gets completed in two stages - extracellular digestion and intracellular digestion.
First, digestive juices are secreted by the cells of the inner lining of the cavity, which leads to the killing of the engulfed prey. At this point, the digestive enzymes start their action on the food and results in their digestion. The digestive process occurring inside the gastrovascular cavity is known as extracellular digestion.
In the next stage, the tiny fragments of food are absorbed by the nutritive cells present in the lining of the gastrovascular cavity. They are further digested within food vacuoles. This type of digestion is called intracellular digestion.
So, the correct answer is 'Gastrovascular cavity'
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