Which mineral is primarily stored in bone and is essential for bone strength?

Study for the Pivot Point The Building Blocks of the Human Body 105E.01. Engage with multiple choice questions and flashcards, complete with hints and explanations. Get ready for your exam!

Multiple Choice

Which mineral is primarily stored in bone and is essential for bone strength?

Explanation:
Calcium is stored in bone in large amounts and is essential for bone strength. Bones house the mineral as part of hydroxyapatite crystals, which are the rigid mineral component that gives bone its hardness and ability to bear weight. This存储 also acts as a reservoir to keep calcium levels in the blood stable; when the body needs calcium for other functions like muscle contraction or nerve signaling, calcium can be released from bone. Phosphorus helps form those same bone crystals, but calcium is the primary mineral stored for strength. Sodium is mainly outside cells and not a key bone strength mineral, while magnesium is present in bone but to a lesser extent than calcium.

Calcium is stored in bone in large amounts and is essential for bone strength. Bones house the mineral as part of hydroxyapatite crystals, which are the rigid mineral component that gives bone its hardness and ability to bear weight. This存储 also acts as a reservoir to keep calcium levels in the blood stable; when the body needs calcium for other functions like muscle contraction or nerve signaling, calcium can be released from bone. Phosphorus helps form those same bone crystals, but calcium is the primary mineral stored for strength. Sodium is mainly outside cells and not a key bone strength mineral, while magnesium is present in bone but to a lesser extent than calcium.

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