homeostasis power point sf.pdf

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$Final Copy Grade 8 Midterm Exam Math January 2011.pdf$

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4. The ventricles contract. The tricuspid valve prevents blood returning to the atrium. The blood is forced out of the heart into the pulmonary artery.
5. The pulmonary artery takes the blood to the lungs where it receives oxygen. 6. Upon exiting the lungs, the blood flows back to the heart in the pulmonary vein.
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READ Page 298 -321 REVIEW Lab, Work
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In chapter 9 we will look into home
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Why do organisms spend precious tim
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Proteins are held together loosely
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Other reasons that organisms need t
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An organism maintains homeostasis b
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To see how dynamic equilibrium work
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If the sun is exceptionally strong,
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Once everything is back to normal,
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This time, the furnace will start u
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Humans and many other organisms wil
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There are advantages and disadvanta
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When an organism needs to change it
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There are three „players‟ in fe
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A temperature sensor on the skin (s
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As the sweat gland works, the skin
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Once the skin receptor stops signal
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Positive feedback is rare. This is
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Organisms that can maintain homeost
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Tardigrades can survive: • Temper
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Biology 2201
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What the circulatory system? What
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What sort of items are transported
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The most basic of animals, such as
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A circulatory system where the flui
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Mammals have a 4- chambered heart.
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There are two sections to the syste
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There are three elements to the cir
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Vessels are the pipes and tubes tha
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Most arteries and arterioles carry
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Arteries are thickwalled and built
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In total, arteries hold about 30% o
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Most veins and venules carry deoxyg
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Veins contain blood that is at a mu
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The flow of blood through the veins
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Note the relative size of the inter
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Capillaries are one endothelial cel
Page 75 and 76: Nutrients and wastes are transferre
Page 77 and 78: Note the thinness of the capillary
Page 79 and 80: Biology 2201
Page 81 and 82: There are three elements to the cir
Page 83 and 84: The Lymphatic system is an open sys
Page 85 and 86: Lymph circulates throughout the bod
Page 87 and 88: Blood is the tissue through which a
Page 89 and 90: The high speeds force the heavier c
Page 91 and 92: The blood normally contains: Plasm
Page 93 and 94: Red blood cells are specialized for
Page 95 and 96: Each hemoglobin protein contains 4
Page 97 and 98: The binding of oxygen to hemoglobin
Page 99 and 100: Hemoglobin releases oxygen more slo
Page 103 and 104: Unlike red blood cells, white blood
Page 105 and 106: Macrophages have a short lifespan o
Page 107: Lymphocytes play a role in the bodi
Page 110 and 111: Platelets have a short lifespan of
Page 112 and 113: 1. Broken blood vessels release sub
Page 117 and 118: The fluid portion of the blood is c
Page 119 and 120: Points to Consider: What is the typ
Page 121 and 122: There are three elements to the cir
Page 123 and 124: The human heart has a very challeng
Page 125: 1. Blood from the body enters the h
Page 129 and 130: 9. The ventricles contract. The bic
Page 131 and 132: “Lub” • Softer sound • Atri
Page 133 and 134: As the atria contract, another node
Page 135 and 136: To increase the heart rate, the ner
Page 137 and 138: The septum is the wall that separat
Page 139 and 140: Points to Consider: Describe the fl
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