Kidney on the_____ side is slightly higher than the kidney on the side.

Explanation

**Step-by-Step Solution:**

1. **Identify the Location of Kidneys:** The human body has two kidneys, one on the left side and one on the right side.

2. **Determine the Height Difference:** The left kidney is positioned slightly higher than the right kidney.

3. **Understand the Reason for the Height Difference:** The reason for this difference in height is primarily due to the presence of the liver, which is located on the right side of the body. The liver occupies space and pushes the right kidney down slightly.

...