Answer:
[Updates on rickets and osteomalacia: mechanism and regulation of bone mineralization]. ... Bone is mineralized when hydroxyapatite crystals derived from calcium ions and inorganic phosphate (Pi) grow along collagen fibrils in the extracellular matrix. Mineralization is initiated by nucleation of those crystals.
Explanation:
awnser is A growth, repair.
Answer:
Your lung functioning begins to improve after just 30 days without smoking. As your lungs heal from the damage, you will likely notice that you experience shortness of breath and cough less often than you did when you smoked.
The items that contribute to heart disease are option C. Nitrogen oxides and carbon monoxide. These items are commonly part of the polluted air in the environment. Carbon monoxide is a product in combustion that when inhaled, it results in the reduction of oxygen flow in the bloodstream, which is highly dangerous especially to those who have an existing heart disease. In addition, nitrogen oxides react to other particles in the air, which could affect and penetrate areas of the body when inhaled and will result to respiratory disorders and worsen heart conditions.
