From the Review Book
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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| Homeostasis | A stable internal environment. “Balance”
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| Deviations | Changes in the environment.
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| Stimulus (Stimuli) | A change in the environment that causes a response.
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| Response | A reaction to the stimulus.
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| Dynamic Equilibrium | The condition that results from the constant small corrections that keep a balance.
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| Feedback Mechanism | A cycle in which the output of the system feeds back to either modify or reinforce the action of the system.
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| Positive Feedback | A change that leads to a greater change and a greater response. Ex: Childbirth, Blood Clotting
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| Negative Feedback | A change in the environment that causes another change that will attempt to restore homeostasis.
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| Sensors | Structure(s) that detect changes in the internal or external environment.
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| Endocrine Gland | A structure in the human body that makes hormones and secretes them directly into the blood.
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| Hormone | A chemical message sent in the bloodstream from endocrine glands.
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| Target Cell | A cell with the matching receptor to the hormone.
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| Regulation (Regulate) | All the activities that help to maintain homeostasis.
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| Inhibit | To Stop or slow down.
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| Stimulate | To Trigger, provoke.
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| Secrete | To make and release (glands secrete hormones into the blood)
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| Pancreas | A gland that secretes insulin.
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| Insulin | A hormone that lowers blood sugar levels.
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| Guard Cells | Specialized cells that surround pores on the surface of the leaf and change size to reduce evaporation. Regulate CO2 and water vapor on hot days.
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| Pituitary Gland | Located in the brain. “Master Gland” Controls all other glands in the body. Secretes HGH.
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| Testes | Male gonads. It makes sperm and the hormone testosterone. Testosterone controls male reproductive system and secondary sex characteristics.
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| Ovaries | Female gonads. They make eggs and the hormones estrogen and progesterone which regulate the female reproductive system and secondary sex characteristics.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
dlong
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