Medicinal Plants Introduction Introduction “In All things there is a poison‚ and there is nothing without a poison. It depends on only upon the dose whether a poison is a poison or not”---------Paracelsus (1493?-1541‚ Switzerland) Chinese saying “Shi Yao San Fei Du” means “Any drugs have toxic effects”. Introduction: Why Study Medicinal Plants Medicinal plants and religions • Medicinal plants have played an essential role in the development of human culture‚ for example religions
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(hominidae) 6. Genus (homo) 7. Species (sapiens) * Three domains: 8. Domain Bacteria 9. Domain Archaea 10. Domain Eukarya * Six Kingdoms: 11. Kingdom Animalia (animals) 12. Kingdom Plantae (plants 13. Kingdom Fungi (fungi) 14. Kingdom Prototista (protists) 15. Kingdom Archaea (archaebacteria) 16. Kingdom Bacteria * Modern classification no longer relies on morphology (physical differences) as much as Linneaus;
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(k) Describe current theories about processes responsible for the movement of materials through plants in xylem and phloem tissue. Parts of Plants: Roots Structural support & transports by taking in water & nutrients‚ process of diffusion Root Hairs – Increase S/A‚ are extension of epidermal cells Stems in vascular tissue‚ which is made of xylem & phloem. Xylem – transports water & dissolved minerals Long tubes made up of series of cells. From roots upwards to leaves; useable for tree with
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Cardiovascular Diseases Cardiovascular disease is a class of diseases that involve the heart or blood vessels (arteries‚ capillaries and veins). The causes of cardiovascular disease are diverse but atherosclerosis and/or hypertension are the most common. the biggest cause of deaths Types.=)) * Coronary heart disease (CHD) is the narrowing or blockage of the coronary arteries‚ usually caused by atherosclerosis or buildup of cholesterol and fatty deposits on the inner walls of the arteries
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What is atherosclerosis? Atherosclerosis (or arteriosclerotic vascular disease) is a condition where the arteries become narrowed and hardened due to an excessive build up of plaque around the artery wall. The disease disrupts the flow of blood around the body‚ posing serious cardiovascular complications. What is atherosclerosis? Atherosclerosis (or arteriosclerotic vascular disease) is a condition where the arteries become narrowed and hardened due to an excessive build up of plaque around
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the terminology you should know some key words: Cardio = heart‚ vascular = related to blood vessels‚ pulmonary = related to the lungs. It’s the action To lengthen in duration. * Circulatory system which comprises the heart and blood vessels. The system carries nutrients and Oxygen to the tissues of the body and removes carbon and dioxide and other wastes from them. Explanations: How does the Cardio vascular system works? * Your heart and circulatory system make up your cardiovascular
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1. Ronald is experiencing a cerebral vascular accident also known as a CVA or in layman’s terms‚ he is experiencing a stroke. Cerebral vascular accidents are very serious medical emergencies that are life threatening. Stroke is a generalized term that explains injury or death of the brain tissue due to interruption of cerebral blood flow (Bledsoe‚ p.g.197). A stroke occurs when the flow of blood to a part of the brain is stopped completely or significantly reduced. With no oxygen supply from the
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In 1950‚ nine out of ten people died from strokes. Cardio Vascular Accident (CVA) affects the heart and its ability to supply blood to the body’s brain cells. This leaves the brain cells dead and causes a stroke. More than one-half million people in the United States have a new or recurrent stroke every year. Believe it or not‚ strokes affect African Americans more than Caucasian and are more likely to cause death in them as well. You can have valve rupture‚ heart failure‚ cardiac tapenade‚ or
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tissues in vascular plants are xylem‚ phloem. Complex permanent tissue is heterogeneous tissue which is formed of two or more than two types of mature cells of common origin which coordinate their activities to form a specific function. Conducting tissues of plants are complex permanent tissues. They are of two types‚ xylem and phloem.Xylem Xylem is a chief‚ conducting tissue of vascular plants. It is responsible for conduction of water and mineral ions.Xylem is a very important plant tissue as it
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Chapter 2 : Circulatory system Focus: Plants transport systems Water and mineral uptake Xylem and transport Phloem‚ sugar and translocation Keong BP An overview of plant transport system Keong BP Water and minerals uptake 1. Bulk Flow Transport via Xylem. 2. Transport of Water and Minerals into Xylem. 3. Absorption of Water and Minerals by Root Cells Keong BP 3. Absorption of Water and Minerals by Root Cells Keong BP Water and mineral uptake by the root hairs through
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