No. of renal arteries and veins in humans respectively

Options

A. One pair, one pair
B. Two pair, two pair
C. One pair, tow pair
D. Two pair,one pair

Answer

To answer the question regarding the number of renal arteries and veins in humans respectively, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Renal Arteries**:
- The renal arteries are responsible for carrying oxygenated blood from the heart to the kidneys.
- In humans, there is one renal artery for each kidney.

2. **Counting Renal Arteries**:
- Since humans typically have two kidneys, there are **two renal arteries** (one for each kidney).

3. **Understanding Renal Veins**:
- The renal veins carry deoxygenated blood from the kidneys back to the heart.
- Similar to the renal arteries, there is one renal vein for each kidney.

4. **Counting Renal Veins**:
- Therefore, there are also **two renal veins** (one for each kidney).

5. **Final Count**:
- In summary, humans have **2 renal arteries** and **2 renal veins**.

### Conclusion:
The number of renal arteries and veins in humans respectively is **2 renal arteries and 2 renal veins**.