Nervous, Endocrine and Immune System
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Brain | Part of the Central Nervous System (CNS), protected by the skull. Controls the majority of body systems and processing of information.
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| Spinal Cord | Part of the Central Nervous System (CNS) that connects the brain to the Peripheral Nervous System (PNS). This thick column of nerve tissue is protected inside the vertebrae.
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| Neuron | The name for a nerve cell that carries messages throughout the nervous system. 4 sections are Dendrites, Cell Body, Axon and Axon Tips
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| Nerve | A bundle of nerve fibers made of the axons of multiple neurons.
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| Stimulus | Any signal or change in an organism's environment (internal or external) that might produce a response/reaction. Ex: loud noise or invading bacteria
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| Response | The reaction of an organism as a result of a stimulus.
Ex: jumping away or a fever
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| Endocrine System | The system that consists of glands that release hormones in the blood stream to control body functions.
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| Pituitary Gland | The main control center of the endocrine system that affects other glands. It also controls growth and sexual development.
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| Adrenal Glands | Produce hormones that control stress response (adrenaline and noradrenaline), the fight or flight response.
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| Pancreas | Produces insulin to regulate blood sugar. As the level of sugar in your blood increases this organ produces more insulin.
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| Hormone | A chemical messenger in the body used to regulate body systems and maintain homeostasis.
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| Central Nervous System | Made of the brain and spinal cord and the area that signals the response to a stimulus.
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| Peripheral Nervous System | All of the neurons and nerve bundles outside of the central nervous system. Made of sensory and motor neurons.
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| Reflex | An automatic response to a stimulus that is potentially damaging to the body. This stimulus travels to the spinal cord and directly back through motor neurons to avoid damage.
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| Antibody | A specialized protein that targets an infected cell to be destroyed.
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| Vaccine | A substance made from killed or weakened pathogens that makes the body to develop immunity.
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| Immunity | The ability to resist a disease or recover more quickly.
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| Pathogen | A bacteria, virus or other substance that causes an immune response.
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Created by:
johnsona
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