Page 363 - Primary Five Science

3. Rickets

Deficiency of Vitamin D along with calcium

and potassium in the body causes rickets.
Rickets is characterized by;

 Weak and soft bones,

 Bowed legs and bone deformities.

 pain or tenderness in the bones of the arms,

legs, pelvis, or spine

 stunted growth and short stature

 bone fractures

 Fish, fortified dairy products, liver, egg

yolk, cheese and sunlight are some rich sources of Vitamin

D.

Vitamin D and Calcium sources

The main source of vitamin D is sunlight. It’s advised to sit in

the sun for 15-20 minutes in midmorning hours.

There’s also some little vitamin D in foods such as;

Sardines (mukene), liver, egg yolks

Sources of calcium include;

 Dairy products—milk, yoghurt, cheese

 Vegetables—kale, okra, spinach

 Fish—sardines (mukene)