Name the various parts of excretory system in frog.

Explanation

### Step-by-Step Solution:

1. **Identify the Organism**: The frog belongs to the phylum Chordata and the class Amphibia. Understanding the classification helps in recognizing the biological systems present in frogs.

2. **Kidneys**: Frogs have a well-developed excretory system that includes one pair of kidneys. The kidneys are essential for filtering blood and producing urine.

3. **Nephrons**: Each kidney contains nephrons, which are the functional units responsible for the filtration of blood. Nephrons separate urea and water from the blood.

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