Calcium is an important mineral in the body and one that is tightly regulated in the blood with the help of several hormones. Calcium status plays an important role in the health of bones and a variety of other metabolic functions. Therefore, it is essential to understand where to find calcium in food and what factors affect bioavailability and absorption.
Match the words in the left column to the appropriate blanks in the sentences on the right. Note that some terms will remain unused.
WORD BANK:
calcium
bioavailability
osteoclasts
hypercalcemia
parathyroid hormone (PTH)
oxalates
bone density
osteoblasts
BLANKS:
1. Over 99% of the body's Over 99%of the body's is in the bones and teeth.
2. When blood calcium is low, the parathyroid glands stimulate the production of .
3. refers to the compactness and strength of bones.
4. break down bone when calcium levels are low.
5. The of calcium can depend on a person's age and calcium needs.
6. Too much calcium in the blood, or , can lead to impaired kidneys and calcium deposits in the body.
7. Certain foods like spinach are high in , which can interfere with absorption of certain minerals.
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