What serves as a reservoir for calcium and phosphorus minerals?

Prepare for the VTCT Level 2 Facial and Skincare Test. Revise with flashcards and multiple choice questions, accompanied by insightful explanations. Ace your assessment with confidence!

Calcium and phosphorus are stored mainly in bones, which act as a reserve you can draw on to maintain mineral levels in the blood and support bone remodeling and other bodily processes. The option describing mineral storage functions matches this idea, since it directly refers to minerals being kept as a reservoir. Hair shaft is keratin-based and not a mineral store; dermal papilla relates to hair growth rather than mineral storage; blood cell production occurs in bone marrow, which is inside bones and is a different bone function.