homeostasis power point sf.pdf

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In the previous topic we discussed <strong>homeostasis</strong> and how dynamic equilibrium is maintained through feedback loops. Today we will begin to study the circulatory system and see its role in maintaining <strong>homeostasis</strong>.
What the circulatory system? What is the role of the circulatory system? Why have animals evolved to have a circulatory system?
Page 1 and 2: READ Page 298 -321 REVIEW Lab, Work
Page 3 and 4: In chapter 9 we will look into home
Page 5 and 6: Why do organisms spend precious tim
Page 7 and 8: Proteins are held together loosely
Page 9 and 10: Other reasons that organisms need t
Page 11 and 12: An organism maintains homeostasis b
Page 13 and 14: To see how dynamic equilibrium work
Page 15 and 16: If the sun is exceptionally strong,
Page 17 and 18: Once everything is back to normal,
Page 19 and 20: This time, the furnace will start u
Page 21 and 22: Humans and many other organisms wil
Page 23 and 24: There are advantages and disadvanta
Page 25 and 26: When an organism needs to change it
Page 27 and 28: There are three „players‟ in fe
Page 29 and 30: A temperature sensor on the skin (s
Page 31 and 32: As the sweat gland works, the skin
Page 33 and 34: Once the skin receptor stops signal
Page 35 and 36: Positive feedback is rare. This is
Page 37 and 38: Organisms that can maintain homeost
Page 39 and 40: Tardigrades can survive: • Temper
Page 41: Biology 2201
Page 45 and 46: What sort of items are transported
Page 47 and 48: The most basic of animals, such as
Page 49 and 50: A circulatory system where the flui
Page 51 and 52: Mammals have a 4- chambered heart.
Page 53 and 54: There are two sections to the syste
Page 55 and 56: There are three elements to the cir
Page 57 and 58: Vessels are the pipes and tubes tha
Page 59 and 60: Most arteries and arterioles carry
Page 61 and 62: Arteries are thickwalled and built
Page 63 and 64: In total, arteries hold about 30% o
Page 65 and 66: Most veins and venules carry deoxyg
Page 67 and 68: Veins contain blood that is at a mu
Page 69 and 70: The flow of blood through the veins
Page 71 and 72: Note the relative size of the inter
Page 73 and 74: 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 101 and 102:
The blood normally contains: Plasm
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 115 and 116:
The blood normally contains: Plasm
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 and 126:
1. Blood from the body enters the h
Page 127 and 128:
5. The pulmonary artery takes the b
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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