The Nervous System is the system of cells‚ tissues‚ and organs that regulates the body’s responses to internal and external stimuli. In vertebrates it consists of the brain‚ spinal cord‚ nerves‚ ganglia‚ and parts of the receptor and effector organs. Your nervous system is composed of the central nervous system‚ the cranial nerves‚ and the peripheral nerves. The brain and spinal cord together form the central nervous system. The cranial nerves connect the brain to the head. The four groups of nerves
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RESPIRATORY SYSTEM The respiratory system consists of all the organs involved in breathing. These include the nose‚ pharynx‚ larynx‚ trachea‚ bronchi and lungs. The respiratory system does two very important things: it brings oxygen into our bodies‚ which we need for our cells to live and function properly; and it helps us get rid of carbon dioxide‚ which is a waste product of cellular function. The nose‚ pharynx‚ larynx‚ trachea and bronchi all work like a system of pipes through which
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List of Skeletal System Diseases The 206 bones of the skeletal system provide a strong framework upon which muscles‚ tissues and organs can attach. This structure also protects your internal organs and allows your body to move around freely. Like any other body system‚ however‚ disease can affect your skeletal system. Arthritis Arthritis is an inflammatory condition that affects your joints‚ such as the knees‚ or a portion of your spinal column. Typical symptoms of this condition include joint
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with the Economic Systems of Three Countries Every country in the world has an economic system that would probably help them to fulfill the needs of their citizens. An economic system is the structure of production‚ allocation of economic inputs‚ distribution of economic outputs‚ and consumption of goods and services in an economy. Actually‚ there are many types of economic systems that were spread out throughout the world. It depends upon a country to which economic system that is appropriate
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OBJECTIVES: 1. List the organs that compose the cardiovascular system and discuss the general functions of this system. 2. Describe the location‚ size‚ and orientation of the human heart. 3. Define the term cardiology. 4. Describe the structure of the heart in terms of its coverings‚ layers‚ chambers‚ valves‚ and blood vessels. 5. Name the function of serous fluid around the heart. 6. Give another name for epicardium. 7. Describe the structure and function of the interventricular septum.
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of different organs and systems that work together every day and night. If these systems and organs didn’t exist we would not be able to function in this world. There is one particular system that is extraordinary‚ and it is devised to channel blood in or bodies. It has many organs put together that helps your body maintain your internal environment and fight diseases. This system is called the cardiovascular system. The cardiovascular system‚ also known as the circulatory‚ system has a mission
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Introduction The integumentary system is the other name for the skin‚ it’s the largest organ in the body. Unlike other organs‚ this is an organ system that protects the internal body parts from damage‚ dehydration‚ decay as well as other many functions. It has many roles in the body and is the first line of defense against external agents. The integumentary system makes up 15 percent of the body weight in nay human being. Structure The integumentary system is made up of the skin‚ skin derivatives
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Integumentary System Definition Integument comes from the Latin word integumentum‚ meaning "cover" or an external layer.In animals and plants integument is any natural external covering‚ such as skin and membrane. The human integumentary system is an external body covering‚ but also much more. In human beings integumentary system is one of the organ system that protects body from various kinds of damages‚ such as water excreation. MAJOR ORGANS AND FUNTIONS OF INTEGUMENT SYSTEM: The system includes
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The Cardiovascular System The heart is one the primary organs in our body. The cardiovascular (CV) system is made up of the heart‚ the blood and the vessels through which blood travels. The CV system works in sequence with the respiratory system to maintain homeostasis. The heart acts as a pump which move the blood through the blood vessels to the tissues and organs of the body. This allows the CV system to help maintain homeostasis by enabling it to carry out its four major functions
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The Excretory System from The Human Body Systems Series catalog # 3292 Published & Distributed by… AGC/UNITED LEARNING 1560 Sherman Avenue Suite 100 Evanston‚ IL 60201 1-800-323-9084 24-Hour Fax No. 847-328-6706 Website: http://www.agcunitedlearning.com E-Mail: info@agcunited.com 1 THE EXCRETORY SYSTEM Grade Levels: 6-9 (Review for Grades 10-12) Viewing Time: 17 minutes with video quiz INTRODUCTION This video is designed for use in grades 6 - 9 as an introduction to
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