Chapter 3- Your Wonderful Body- A Beka Book- Science Order and Design- Malia N.
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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| Excretory system | Excretes wastes from your body
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| Excrete | Remove
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| Urinary system | Removes liquid and soluble waste products from the body
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| What are the organs that form the urinary system? | Kidney, ureters, bladder, and uthera
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| Kidney | Bean-shaped organs that contain a compact system of very small tube. These tubes filter waste products and excess water from your blood and transfers them to the urters
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| Ureters | Connect the kidneys to the bladder
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| Bladder | Stores the liquid waste, called urine, until it is eliminated through the urethra
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| Urethra | The canal that discharges urine from the body
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| Lymphatic system | This system's function is to circulate certain body fluids and protect your body from disease
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| Tissue fluid | Surrounds every cell in your body and helps your cells stay clean and maintain the right water balance
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| Lymph | What tissue fluid is called after it cleans the cells
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| Lymph is transported only ___ ___. | One way. Lymph does not circulate as blood does. The lymph depends solely on your muscle contractions to push it from one location to another.
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| Lymph nodes | Enlarged bundles of lymphatic tissue that clean lymph of debris and microorganisms before sending the lymph back into the blood
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| Pathogens | Disease causing organisms
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| Tonsils and adenois | Accumulation of lymphatic tissue that prevent pathogens from entering your body through your throat
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| Spleen | The largest lymphatic organ
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| The main jobs of the spleen are to ______ ___ and _______ of dead cells and microbes in the blood and serve as a ______ ____ for blood. | Filter out, dispose, storage tank
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| Immune system | The system of defense that fights invading microorganisms
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| White blood cells | Attack invaders
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| Neutrophils | Execute the bodies initial attack
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| Macrophages | "big eaters" These move in after the neutrophils to combat the missed enemies and to clean up after the battle
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| Phagocytes | "eater cells" Phagocytes contribute the most in battles against pathogens
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| Antibodies | Produced by B cells which are activated by helper T cells
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