ICT Role in 21st Century Education & its Challenges.pptx
Healthy diet 5ºB
1. A healthy diet
Calcium is a mineral which helps bones to
harden,and vitamins D the body to absorb
calcium.
Dairy products are the main sorce of
calcium: milk and chese.
Calcium is found in some vegetables as
well:
vegetables.
Sunlight is also an important source of a
vitamin D: