Correct option is C
The Correct Answer is (C) calcium and phosphorus.
- Bone cells are embedded in a hard matrix that is composed of calcium and phosphorus.
- The Osteoblast is responsible for the growth of human bones and is found in the growing part of the bone such as the periosteum and endosteum.
- Osteoblasts produce bone matrix and it also results in the increase in bone mass of the human body.
- Calcium (Ca): It provides strength to bones and teeth with vitamins. It also plays an important role in blood formation, muscle contraction, clotting of blood, etc. Milk, eggs, fish, etc. are the main sources of calcium.
- Phosphorous (P): It provides strength to bones and teeth, in coordination with calcium. Milk, cheese, green leafy vegetables, etc. are the main sources of Phosphorus.
- Potassium: is a mineral that your body needs to work properly. It is a type of electrolyte. It helps your nerves to function and muscles to contract. It helps your heartbeat stay regular. It also helps move nutrients into cells and waste products out of cells.
- Fluorine (F): It is the most electronegative element. Fluorine protects us from dental decay. Food, together with drinking water, is the main source of fluorine for human beings. Fluorine is essential for the maintenance of solidity of our bones.