Highschool days
CHAPTER I
INTRODUCTION
Background of the Study Plants are considered as one of the main sources of all living things. They can be classify according to what kind are they. They are also called as “green plants” in which considered as one of many sources of humans. Plants are now more useful than other human sources. They have the ability to synthesize a variety of chemical compounds that are used to perform important biological function. Each part of plants have their own functions such as; roots that takes all the minerals and water for the plants; stems that has vessels transports water throughout the plant; leaf that obtains their energy which is the sunlight by the use of photosynthesis; and the flower that functions are their main reproductive system of flowering plants. Plants are also considered as the essential of nature and to our lives. They are eligible enough in doing things in order for living things to survive in their daily lives. Thus, plants provide not only our maintenance but they can also provide raw materials, shelter, fuel, clothes or medicines. Plants can be our medicine. They have beneficial effects on health when it is used by humans and can be used in treating human diseases. Through this, we can immediately heal any illness that we can get anywhere. This plants that can cure human diseases can also called as “herbal plants”. Herbal plants are also considered as “medicinal plants” by some sectors that are related to medicines. They are much more effective than that medicine that has been touched by Science and Technology. Some plants that are considered as herbal plants are those weeds that can be seen anywhere by our naked eyes. Weeds, they are plants that some people considered as a not valued plant. Many people say that weeds are one of the reasons why there plants are tend to overgrow. But they don’t even know the real use of weeds; they also have useful function that can help us to survive in our daily life. One example of weed
INTRODUCTION
Background of the Study Plants are considered as one of the main sources of all living things. They can be classify according to what kind are they. They are also called as “green plants” in which considered as one of many sources of humans. Plants are now more useful than other human sources. They have the ability to synthesize a variety of chemical compounds that are used to perform important biological function. Each part of plants have their own functions such as; roots that takes all the minerals and water for the plants; stems that has vessels transports water throughout the plant; leaf that obtains their energy which is the sunlight by the use of photosynthesis; and the flower that functions are their main reproductive system of flowering plants. Plants are also considered as the essential of nature and to our lives. They are eligible enough in doing things in order for living things to survive in their daily lives. Thus, plants provide not only our maintenance but they can also provide raw materials, shelter, fuel, clothes or medicines. Plants can be our medicine. They have beneficial effects on health when it is used by humans and can be used in treating human diseases. Through this, we can immediately heal any illness that we can get anywhere. This plants that can cure human diseases can also called as “herbal plants”. Herbal plants are also considered as “medicinal plants” by some sectors that are related to medicines. They are much more effective than that medicine that has been touched by Science and Technology. Some plants that are considered as herbal plants are those weeds that can be seen anywhere by our naked eyes. Weeds, they are plants that some people considered as a not valued plant. Many people say that weeds are one of the reasons why there plants are tend to overgrow. But they don’t even know the real use of weeds; they also have useful function that can help us to survive in our daily life. One example of weed