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29 Cards in this Set
- Front
- Back
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secretions of endocrine glands
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hormones
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cells that have receptors for a particular hormone
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target cells
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nine hormones produced by the ___ gland regulate body functions or control other endocrine glands
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pituitary
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female gonads
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ovaries
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time in which the reproductive system matures
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puberty
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in the ovary, eggs mature in a group of cells known as a ___
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follicle
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an egg is released from the ovary in the process of
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ovulation
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canal that leads from the uterus to the outside of the body
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vagina
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after an egg is fertilized, it is called
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zygote
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during ___, cells migrate to form three cell layers that later develop into diffrernt organs of the embryo
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gastrulation
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the mother exchanges gases, food, and waste products across the ___
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placenta
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after 8 weeks, the embryo is called a ___
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fetus
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process in which the immune system produces cells that destroy pathogens or make them harmless
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immunity
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substance that triggers the immune response
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antigen
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overreaction of the immune system to antigens such as pollen
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allergy
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any change, other than an injury, that disrupts the normal functions of the body
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disease
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chemical the body produces in response to allergens
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histamine
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drug that kills bacteria without harming the cells of the host
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antibiotic
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disease-causing agent
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pathogen
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injection of a weakend or mild form of a pathogen to produce immunity
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vaccination
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animal that carries pathogens from person to person
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vector
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anything that increases the chance of disease or injury
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risk factor
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response in which clood vessels expand and white blood cells enter infected tissues to fight infection
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inflammatory response
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chronic respiratory disease in which the air passages become narrower than normal
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asthma
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koch's postulates are rules for
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identifying the microorganism that causes a specific disease
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nonspecific defenses include
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fever, interferon, and the skin
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the type of immunity that reults when antibodies are passed from mother to fetus is called
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passive immunity
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the type of immunity in which t cells attack abnormal or infected cells is known as
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cell-mediated immunity
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an example of an autoimmune disease is
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type 1 diabetes
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