homeostasis power point sf.pdf

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DNA is also vulnerable to heat and strong acids/bases. If the DNA of a cell is damaged severely, the cell will surely die.
Other reasons that organisms need to maintain <strong>homeostasis</strong>: Poisonous chemicals need to be kept out. Invaders and parasites need to be kept out. Nutrients must reach all of the organism. Wastes must be removed from all the organism.
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: Proteins are held together loosely
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 and 42: Biology 2201
Page 43 and 44: What the circulatory system? What
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:
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:
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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