Correct option is A
The correct answer is (a) Calx.
· The word "calcium" is derived from the Latin word "calx," which means "lime."
· This is because calcium was first isolated from lime in 1808 by Sir Humphry Davy.
· Calcium is a chemical element with the symbol Ca and atomic number 20.
· Calcium is the fifth most abundant element in the Earth's crust.
· Calcium is an essential mineral for the human body, playing a crucial role in many functions.
· Building and maintaining strong bones and teeth: This is perhaps the most well-known function of calcium. It accounts for about 99% of the calcium in our body and provides the mineral framework for our skeletal system.
· Dairy products like milk, cheese, and yogurt are excellent sources of calcium
· A lack of calcium can lead to various health problems, including osteoporosis, which weakens bones and increases fracture risk.