1- What does calcium do in the body?
2- Which food is high in calcium?
3- Where is calcium found in the body?
4- Which fruit has more calcium?
5- Does calcium help you sleep?

Explanation:

1.Calcium is a mineral that is necessary for life. In addition to building bones and keeping them healthy, calcium enables our blood to clot, our muscles to contract, and our heart to beat.

2.Yogurt.One cup (245 grams) of plain yogurt contains 30% of the RDI for calcium, as well as phosphorus, potassium and vitamins B2 and B12 (10).Low-fat yogurt may be even higher in calcium, with 45% of the RDI in one cup (245 grams) (11).

3.It can be found on our teeth or bones.

4.Oranges.

5.Calcium helps the brain use the amino acid tryptophan to manufacture melatonin, which induces sleep.

1. Calcium is essential for muscle contraction, building strong bones and teeth, blood clotting, regulating heart beat, and fluid balance within the cells

2. Many foods are high in calcium but a few examples are Cheese, yogurt, sardines, beans, lentils, almonds, spinach, tofu, figs, milk, broccoli, and oranges.

3. Over 99% of calcium is stored in the bones and teeth, with trace amounts in the blood, muscle, extracellular fluid, and other tissues.

4. To answer this you need to share the multiple choice options

5. Calcium helps the brain use the amino acid tryptophan to make melatonin (the sleep hormone). Calcium can help you sleep.

I hope this helps, I can help you more with answer #4 if you share the options they want you to choose from

since you have not provided the options here i   am going to give you general overview about hormone.hormone are actually the part of endocrine system in our body and produced by the endocrine glands. the hormones act like a chemical messenger   within human body. once produce by the glands they   travel through the blood stream and reach at specific or target tissue and organs   which result in control of our body function. the hormones are specific in their work and work on only the targeted tissue or organ   . with the of hormone endocrine system regulate the heart rate , metabolism, our mood and   growth as well as the development and even the sleeping cycle etc. they actually are the messenger for body cell and organs .