**Core Concept**
Calcium is an essential mineral for human health, primarily found in dairy products. The amount of calcium in milk can vary depending on the type of milk, breed of the animal, and geographical location. This question tests the knowledge of the calcium content in different types of milk.

**Why the Correct Answer is Right**
The correct answer is **B. Buffalo milk**. Buffalo milk contains a higher amount of calcium compared to other types of milk. This is due to the higher concentration of calcium in the buffalo's diet, which is rich in calcium-rich plants and minerals. Buffalo milk has a calcium content of around 210 mg per 100 ml, making it an excellent source of calcium for individuals with calcium deficiency.

**Why Each Wrong Option is Incorrect**
**Option A:** Cow's milk is a popular dairy product, but it has a lower calcium content compared to buffalo milk. Cow's milk contains around 120 mg of calcium per 100 ml.
**Option C:** Goat's milk is another type of dairy product, but it has a lower calcium content compared to buffalo milk. Goat's milk contains around 120 mg of calcium per 100 ml.
**Option D:** Human milk is rich in nutrients, but it has a lower calcium content compared to buffalo milk. Human milk contains around 33 mg of calcium per 100 ml.

**Clinical Pearl / High-Yield Fact**
It's essential to note that the calcium content in milk can vary depending on the region, breed, and diet of the animal. Always check the label or consult with a healthcare professional for accurate information on calcium content in different types of milk.

**Correct Answer: B. Buffalo milk**