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Anatomy
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The branch of science that studies the structure of the body.
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Physiology
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The branch of science that describes how the body works, or functions
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Pathophysiology
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The branch of science that describes the consequences of the improper functioning of the body parts
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Cells
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The basic unit of life
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Tissue
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Group of cells that perform a similar function
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Organs
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Group of tissues that performs a specialized function, such as the lungs
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Organ System
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Group of organs that perform a particular function, such as the organs of digestion
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Integumentary System
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Consists of the skin and related structures such as hair and nails. The integumentary system forms a covering for the body, helps regulate body temperature, and contains some of the structures necessary for sensation
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Skeletal System
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Forms the basic framework of the body. It consists primarily of bones, joints, and cartilage. The skeleton protects and supports body organs.
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Muscular System
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Has 3 types of muscles. Skeletal muscles attach to the bones and are responsible for movement of the skeleton and maintenance of body posture
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Nervous System
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Is made up of the brain, spinal cord, nerves and sense organs. Sensory nerves receive information from the environment and bring it to the spinal cord and brain, where it is interpreted. Decisions made by the brain and spinal cord are transmitted along other nerves to various body structures.
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Endocrine System
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Contains numerous glands that secrete hormones and chemical substances that regulate body activities such as growth, reproduction, metabolism and water balance.
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1. Hypothalamus
2. Pituitary Gland
3. Thyroid Glands/Parathyroids
4. Adrenals
5. Pineal Body
6. Reproductive Glands
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Circulatory System
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Consists of the blood, heart, and blood vessels. This system pumps (heart) and transports (blood vessels) blood throughout the body. Blood carries nutrients and oxygen to all the body's cells and also carries the waste away from the cells to the organs of excretion
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Lymphatic System
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Is made up of the lymph nodes, lymphatic vessels, lymph, and other lymphoid organs. Lymph and lymphoid structures play and important role in fluid balance and in the defense of the body against pathogens and other foreign material.
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Immune System
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Is an elaborate defense system that protects the body not only from pathogensbut from other allergens, such as pollens, bee venom, and some of our own cells that have gone awry (cancer cells). The immune system is widely diffused throughout the body
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