F3 - SEM1 - MINERAL SALTS

Question 1

What are the properties of minerals?

Answer 1

Inorganic
Need in small amount
No energy
Help regulate metabolic reactions and build body tissue

Question 2

Give some examples of minerals

Answer 2

Iron
Calcium
Sodium
Iodine
Potassium
Phosphorus

Question 3

What are the function of Calcium?

Answer 3

Formation of bone and teeth
Blood clotting
Muscle contractions
Send message in the nervous system

Question 4

What happens if lack of Calcium?

Answer 4

Ricket (children) 軟骨症
Osteoporosis (adult) 骨質疏鬆症
Bleeding

Question 5

What are the sources of Calcium?

Answer 5

From animal
- canned sardine
- dairy products

From plants
- green vegetables, e.g. spinach, kale, broccoli
- tofu

Others
- soya milk
- fruit juice
- biscuits

Question 6

What are the functions of Iron?

Answer 6

Is a component of haemoglobin (carry oxygen) in blood cells

Question 7

What happens if lack of Iron?

Answer 7

Anaemia - symptoms is easily faint

Question 8

Why many female get anaemia?

Answer 8

Loss a lot blood during menstruations

Question 9

What are the source of Irons?

Answer 9

From animal
- blood ( tissue or organs containing a lot of blood, e.g. beef, liver, red meat)

From plant
- green vegetables (e.g., spinach, cabbage)
- beans
- raisins
- cereal
- egg