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MINERALS
Calcium
There is more calcium in the body than any other mineral .
It is the most abundant mineral of our body. 90% of it can be found in the skeleton
Calcium. Its Functions:
The body also needs calcium for: muscles to move and for nerves to carry messages between the
brain and every body part Helps build strong bones and teeth Regulates muscle contractions, including
heartbeat Ensures blood clots normally
Good sources of calcium
Milk, yogurt and cheese. Fruits, mainly citrics. Clams, mussels. Nuts, almonds Fish with soft bones that you eat such as
canned sardines. Calcium is added to some breakfast cereals,
fruit juices, soy and rice beverages, and tofu
The lack of calcium can cause
Rickets. Osteoporosis
Iron
It's important in the formation of hemoglobin. This protein present in the red blood cells transports oxygen throughout the body.
Sources of iron
Liver meat, especially red meat, such as beef tuna and salmon (Blue fish) Beans dried fruits, like raisins (uvas pasas) leafy green vegetables, such as broccoli whole and enriched grains, like wheat or oats
(Avena) Nuts
The lack of iron can cause
A lack of iron can lead to anemia.
Iodine
The body needs iodine to make thyroid hormones. These hormones control the body's metabolism and many other important functions.
Sources of Iodine
Fish (such as cod and tuna), seaweed (algas marinas), shrimp (gambas), and other seafood.
Dairy products (such as milk, yogurt, and cheese)
Products made from grains (like breads and cereals).
Fruits and vegetables. Iodized salt.
A lack of iodine can cause
Goitre (the thyroid gets bigger). The thyroid gland does not work properly.
Magnesium
Magnesium is important in protein synthesis, muscle and nerve function, muscle contraction, blood glucose control, and blood pressure regulation.
Magnesium is required for energy production. It contributes to the structural development of
bones and to maintain a normal heart rhythm .
Sources of magnesium
green leafy vegetables, such as spinach Nuts bread (especially wholegrain) dairy foods (milk, cheese..) Kiwi, banana
A lack of magnesium can cause
tingling (hormigueo en extremidades), muscle contractions and cramps (calambres), abnormal heart rhythms
Osmosis
Animacion http://web.educastur.princast.es/proyectos/bio
geo_ov/2BCH/B2_CELULA/t22_MEMBRANA/animaciones/osmosis.gif
Página explicado en inglés Flash in english http://programs.northlandcollege.edu/biology/B
iology1111/animations/passive4.swf http://www.biologycorner.com/bio1/notes_diffu
sion.html