Final answer:
Vitamin D is the vitamin that helps rebuild bone after a fracture.
Step-by-step explanation:
The vitamin that helps rebuild bone after a fracture is Vitamin D.
Vitamin D plays a crucial role in bone health as it helps with the absorption of calcium and phosphorus, which are essential for bone formation and repair. When a fracture occurs, Vitamin D promotes the growth and remodeling of new bone tissue.
An example of how Vitamin D aids in bone repair is when a fracture initiates an inflammatory response in the body. Vitamin D helps regulate this response, leading to the activation of osteoblasts, which are responsible for the synthesis of new bone matrix.
Learn more about Vitamin D and bone repair