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What are some functions of blood? inizia ad imparare
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Transport oxygen, nutrients and defense
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What sorts of things would you find in blood? inizia ad imparare
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Cells, plasma, nutrients, oxygen
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Do you think blood is tissue? inizia ad imparare
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Yes liquid connnective tissue
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Name some diseases that one person can give to another person inizia ad imparare
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What are the two main somponents of blood? inizia ad imparare
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Name the three major types of blood cells inizia ad imparare
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Erythrocytes, leukocytes, platelets
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What is the function of an erythrocyte? inizia ad imparare
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How many oxygen molecules can one hemoglobin molecule carry? inizia ad imparare
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What is the function of platelets? inizia ad imparare
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Why is sickle cell anemia so painful? inizia ad imparare
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What happens if a person with hemophilia is injured and starts bleeding? inizia ad imparare
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How do people get hemophilia? inizia ad imparare
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Where do you find mucous membranes? inizia ad imparare
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Respiratory and digestive tracts
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Why is it hard for bacteria to grow in mucus? inizia ad imparare
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Why does the ear produce wax? inizia ad imparare
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Explain what the blood brain barrier is inizia ad imparare
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Barrier protecting brain from toxins
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What is the function of the hair in your nose inizia ad imparare
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Why are smokers more likely to get respiratory infections inizia ad imparare
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Damaged cilia cannot clear mucus
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Name four innate defenses that are barriers inizia ad imparare
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inizia ad imparare
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Inflammation of brain membranes
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Which of the two types of lymphocyte is involved in making antibodies? inizia ad imparare
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What is the function of antibodies l? Does a particular antibody work against any microorganism? inizia ad imparare
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Neutralize pathogens. No they are specific
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After antibodies collect the microorganisms what kill them? inizia ad imparare
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What are two types of T cells and what is the function of each? inizia ad imparare
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Do cytotoxic T cells kill viruses inside or outside of cells? Do they work against bacteria? inizia ad imparare
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What are the two major components of blood? inizia ad imparare
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Name the three major types of cells in the blood and the major function of each inizia ad imparare
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Erythrocytes (oxygen), Leukocytes (defense), Platelets (clotting)
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Which molecule carries oxygen in the blood? In which cell is it found? inizia ad imparare
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What isn’t working if a person has hemophilia? inizia ad imparare
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How do innate and adaptive defenses differ when it comes to body invarders? inizia ad imparare
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Innate is non-specific. Adaptive is specific
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Name one major difference between a virus and a bacterium inizia ad imparare
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Bacteria are alive; viruses are not
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inizia ad imparare
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What are the four cardinal signs of inflammation inizia ad imparare
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Redness, heat, swelling, pain
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Is it a T cell or a B cell that kills cells infected by viruses inizia ad imparare
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How do lymph nodes help your immune system inizia ad imparare
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Filter lymph and acitvate lymphocytes
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How is the integumentary system related to the body defense system inizia ad imparare
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The lymphatic vessels branch and form a network throughout the body. What other structures form networks and travel throughout the body inizia ad imparare
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Is blood considered a cell tissue or organ why? inizia ad imparare
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Tissue group of cells working tohether
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