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Does the buccal cavity provide any digestive enzymes?
no.
Where are the digestive enzymes of Hydra produced?
The digestive enzymes in Hydra are produced in their cells, specifically in the gastrodermis, which lines the inner cavity of the body column. These enzymes help break down food particles that are ingested by Hydra for absorption and nutrient acquisition.
Explain how feeding and digestion occur in planarians?
Planarians eat by extending their pharynx to ingest food, which then moves to the gastrovascular cavity for digestion. Once in the stomach, food particles are broken down by enzymes before nutrients are absorbed into the cells lining the cavity. Waste is then excreted through the pharynx.
The digestive enzyme amylase is normally secreted into which two regions of the digestive tract?
Amylase is normally secreted into the mouth (salivary glands) and the small intestine (pancreas). In the mouth, salivary amylase begins the digestion of carbohydrates, while pancreatic amylase continues this process in the small intestine.
What is the effect of parasympathetic stimulation on the salivary glands?
The salivary glands work more. They produce more saliva. More enzymes are secreted. The saliva pass to the mouth cavity.
What body system begins with the oral cavity?
The digestive system begins with the oral cavity. This is where the process of mechanical and chemical digestion starts as food is broken down by chewing and enzymes in saliva.
What surrounds the digestive organs in the abdominal cavity?
peritoneal cavity
What is the definition Gastroderm?
The gastroderm is the inner layer of cells that lines the gut or digestive cavity of cnidarians such as jellyfish and corals. It is involved in digestion, absorption of nutrients, and in some cases, defense mechanisms.
What are the characteristics of the stomach?
The stomach is a muscular organ located in the upper abdomen. It stores and breaks down food through muscular contractions and the action of digestive enzymes. The stomach also secretes acid and enzymes to aid in the digestion process.
What organ systems are found in both subdivisions of the ventral body cavity?
Both subdivisions of the ventral body cavity (thoracic cavity and abdominopelvic cavity) contain the respiratory system, cardiovascular system, and digestive system.
A cavity that serves both digestive and circulatory purpose in some cnidarians?
A cavity that both digestive and circulatory serve are called cylindrical. This is the purpose of cnidarians.
What are the advantages of Digestive Cavity?
faster transmission of nutrients thoughout the body
