The mitral valve has................ cusps while the aortic valve possesses ..............cusps.

Explanation

To answer the question regarding the number of cusps in the mitral and aortic valves, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Mitral Valve**: The mitral valve is located between the left atrium and the left ventricle of the heart. Its primary function is to prevent the backflow of blood from the ventricle to the atrium during ventricular contraction.

2. **Determine the Number of Cusps in the Mitral Valve**: The mitral valve consists of **two cusps**. These cusps are often referred to as the anterior and posterior cusps.

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