NEET > Chemistry Class 11 > Biological Importance of Calcium & Magnesium
Biological Importance of Calcium & Magnesium Video Lecture - Chemistry Class 11 - NEET
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FAQs on Biological Importance of Calcium & Magnesium Video Lecture - Chemistry Class 11 - NEET
| 1. What are the biological functions of calcium and magnesium? |  |
Ans. Calcium is essential for maintaining strong bones and teeth, as well as for proper muscle function, blood clotting, nerve transmission, and hormone secretion. Magnesium is necessary for over 300 biochemical reactions in the body, including muscle and nerve function, energy production, and DNA synthesis.
| 2. How can a calcium deficiency affect the body? | |
Ans. A deficiency in calcium can lead to weakened bones and teeth, increasing the risk of fractures and dental problems. It may also cause muscle cramps, irregular heartbeat, poor blood clotting, and impaired nerve function.
| 3. What are the dietary sources of calcium and magnesium? | |
Ans. Calcium-rich foods include dairy products (milk, cheese, yogurt), leafy green vegetables (spinach, kale), tofu, almonds, and fortified foods (orange juice, cereals). Magnesium can be found in nuts, seeds, whole grains, legumes, leafy green vegetables, and seafood.
| 4. Are calcium and magnesium supplements necessary? | |
Ans. In most cases, a balanced diet can provide sufficient amounts of calcium and magnesium. However, certain individuals may require supplements, such as those with lactose intolerance or specific medical conditions. It is advisable to consult a healthcare professional before starting any supplement regimen.
| 5. What happens if there is an imbalance of calcium and magnesium in the body? | |
Ans. An imbalance of calcium and magnesium can disrupt various bodily functions. For example, an excess of calcium can lead to kidney stones, constipation, and interference with the absorption of other minerals. On the other hand, a magnesium deficiency can cause muscle weakness, tremors, irregular heartbeat, and fatigue. Striking the right balance between these minerals is crucial for optimal health.
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