Write two major functions each of testis and ovary.

Explanation

### Step-by-Step Solution:

1. **Identify the Organs**: The question asks for the functions of two reproductive organs: the testis and the ovary.

2. **Functions of Testis**:
- **Function 1**: **Spermatogenesis** - The testis is responsible for the process of spermatogenesis, which is the formation and production of sperm cells.
- **Function 2**: **Hormone Secretion** - The testis secretes the male sex hormone, testosterone, which is produced by Leydig cells within the testis.

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