Functions And Sources Or micronutrients Flashcards
What are the functions of calcium?
1- build strong bones and teeth
2- regulates functioning of the heart muscles
3- controls contraction and relaxation of muscles
4- helps regulate blood pressure
What are the sources of calcium?
Milk Soft edible bones (sardines) Dark green leafy veg Soya beans Milk products
What happens when you don’t get enough calcium?
Rickets
Formation of teeth in children is affected
Osteoporosis
What happens if you have too much calcium?
Impaired kidney functioning
What does phosphorus do?
Helps form strong bones and teeth
What are the sources of phosphorus?
Meat and poultry Fish Eggs Nuts Legumes Grains
What happens if you have too much phosphorus?
Harmful effects due to concentration of phosphorus in
extracellular fluid
What happens if you don’t have enough phosphorus?
Rickets
Negatively affects formation of teeth in children
What are the functions of magnesium?
Important for cells
Important for normal muscles and nerves to work
Give examples of magnesium
Dark green leafy veg Legumes Nuts Whole grains Milk and milk products
What happens if you too much or too little magnesium?
TOO MUCH:
None
TOO LITTLE:
Muscle cramps may occur, but otherwise nothing
What does sodium do?
1- Controls fluid balance in cells
2- Helps muscles to flex and helps flow of nerve impulses
What happens if you have too much or too little sodium?
TOO MUCH:
Increases risk of high blood pressure which may lead to coronary heart disease and strokes
TOO LITTLE:
Muscle cramps
