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19 Cards in this Set
- Front
- Back
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organs
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when two or more tissues work together to do a job
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organ systems
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each organ is part of this :circulatory system
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hormones
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chemicals released by glands and travel to target tissues
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the 5 glands
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thyroid,parathyroids,adrenal glands,pancreas,pituitary gland
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5 glands located
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Thyroid-throat
Parathyroids-throat (back of thyroid) Adrenal gland-top of kidneys Pancreas-behind the stomach Pituitary gland- base of cerebrum |
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5 glands control
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thyroid-metabolism (chemical reaction that happens in your body
parathyroid-hormones that help control the amount of phosphate and calcium in your blood adrenal glands-the amount of salt in your blood pancreas-contols the amount of glucose in your blood pituitary- controls how fast your bones,muscles and organs grow.Also controls activities of the thyroid,adrenal and reproductive glands. |
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hereity
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the passing of traits from parents to offspring
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learned traits
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traits that your a taught not inherited
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asexual reproduction
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1 parent, offspring has exact DNA as parent.No sex cells, mitosis occurs quickly, uses less energy
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sexual reproduction
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2 parents, offspring has 50% DNA from each parent, has sex cells. involves meiosis, occurs more slowly and uses more energy to adapt to environment
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sex cells
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special cells in living things that reproduce sexually
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meiosis
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the process of sex cell formation. chromosomes numbers in each cell becomes half the number found in other body cells (23)
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zygote
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first cell a new living living organism has
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gene
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is a series of base pairs, genes determine an organisms traits
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dominant genes
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a trait thats more common
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punnet squares
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a diagram that is used to predict an out come of a particular cross breeding experiment
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recessive genes
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a trait that is hidden
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tissues
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similar cells that work together to do a particular job
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inherited traits
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traits that are passed on from parents
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