Give the location of hepatic caeca in a cockroach. What is their function?

Explanation

**Step-by-Step Solution:**

1. **Identify the Structure**: The structure in question is the hepatic caeca in cockroaches.

2. **Determine the Location**: The hepatic caeca are located between the foregut and the midgut of the cockroach.

3. **Understand the Function**: The primary function of the hepatic caeca is to secrete digestive enzymes that aid in the digestion of food.

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