interrelationships

Question 1

calcium, vitamin d, phosphorus

Answer 1

• calcium and phosphorus are both needed together for the formation of strong bones and teeth
• together they form CALCIUM PHOSPHATE which gives bones and teeth their hardness. this process is called CALCIFICATION

Question 2

calcium, without vitamin d, phosphorus

Answer 2

-poor calcium absorption therefore affecting the formation of bones and teeth

Question 3

folic acid, vitamin c, iron

Answer 3

• iron must change from ferric to ferrous state before it can be absorbed
• if a shortage of iron in the diet folic acid takes over the role

Question 4

vitamin a, vitamin c, vitamin e

Answer 4

-antioxidant vitamins which help neutralise damaging free radicals in the body.

Question 5

vitamin b complex and carbohydrates

Answer 5

-acts as a link in a complex chain of chemical reactions which release energy from carbohydrates