p.12 Flashcards
What are minerals?
Inorganic food substances needed in small amounts compared to carbohydrates, lipids, and proteins.
Do minerals have energy value?
No, they have no energy value.
List some minerals that are essential for the body.
- Calcium
- Iron
- Sodium
- Iodine
- Potassium
- Phosphorus
What are the functions of calcium in the body?
- Component of bones and teeth
- Involved in blood clotting
- Involved in muscle contraction
- Sends messages in the nervous system
What condition can result from a deficiency of calcium in children?
Rickets
What are the symptoms of rickets?
Soft bones and bent legs under body weight.
What can happen if rickets is not corrected during growth?
Bones may remain bent and the child may not grow to normal height.
What is osteoporosis?
A disease where bones become porous and brittle, easily broken.
How does aging affect calcium in bones?
Calcium is lost from bones, leading to a loss of bone mass.
What can help slow down the loss of bone mass?
Taking in enough calcium.
What are some food sources rich in calcium?
- Canned sardines
- Milk
- Dairy products
- Tofu
- Green vegetables like kale, broccoli, and spinach
True or False: Pre-packaged foods and drinks can have added calcium.
True
Fill in the blank: A deficiency of calcium may lead to _______.
rickets
What happens to bones as people age regarding calcium?
They lose calcium, leading to a loss of bone mass.
