Plants that Provide Shelter

In the Philippines most residential houses are made chiefly of wood from lumber of the timber of forest trees. Typical houses built in farms,barrios and even in large towns or some cities,bamboos and nipa shingles are used. There are houses now made which are processed from the trunks of coconut trees. Some materials from plants which are used in making sheds or nuts are cogon grass,palm leaves and even banana leaves.

Calcium

It is necessary for the development of strong bones and sound teeth, normal blood clotting and prevention of rickets; it regulates activity of muscles and nerves.

A person deficient in calcium has the following symptoms:

1. The growth of a person is stunted.

2. There is defective structure of teeth and bones called rickets in infants and children.

3. There is softening of bones in adults.

4. There is tetany in very low blood calcium.