230 



INDEX 



Bases, strength of, 26 

 Basic dyes, 37 

 Basilar membrane, no 

 Beat of the heart, 225 

 Beri-beri, 61 



Bicarbonate of blood, 224 

 Biceps muscle, 93 

 Bile, 74 



- pigments, 135 

 Bladder, 99 

 Blood, 85, 135, 222 



- circulation of, 132 



- supply of kidney, 140 



- vessels, permeability of, 137, 140 

 Blushing, 146 



" Bonds," 44 



Bones and joints, 93 



Bouin's fixing fluid, 194 



Bound energy, 13 



Boundaries, 8 



Boyle's law, 22 



Brain, blood supply to, 146 



- of frog, 215 

 Breathing, 88 



Brownian movement, 3, 6, 166 

 Bundle of His-Kent, 150 

 Butter, 30 



CALCIUM, 59 



- and clotting, 142 



- function of, 142 



- on frog heart, 187 

 Calomel electrodes, 197 

 Calorie, 63 

 Cambrian period, 60 

 Camera and eye compared, 114 

 Cane-sugar, 44, 72 

 Capacity factor, 14 

 Capillaries, 133 

 Carbohydrate cycle, 73 

 Carbohydrates, 42 



- digestion of, 70 



Carbon atom, properties of, 42 



- compounds, 41,42 



- test for, 181 



- dioxide absorption, 88 



- action of, on respiration, 202 



- and haemoglobin, 88 



- in expired air, 182 



- source of, 41 

 Carboxyl, 43 



Carriage of carbon dioxide, 201 



- of oxygen by hemoglobin, 200 

 Catalase, 55, 91 



Catalysis model, 192 



Catalysts, 66 



Catalytic action of platinum, 192 



Cathode, 24 % 



Cation, 24 



Cell, 3 



membrane, 9, 15, 65 



- sap, 20 



Central nervous system of frog, 209, 

 215 



- of mammal, 216 

 Cerebral cortex, 127 



- hemispheres, 103, 120 

 Changes in permeability, 29, 98 

 Charcoal, adsorption by, 16 

 Chemical action on blood vessels, 147 



affinity, 14 



- combination, 36, 44 

 nature of, 15 



energy, 11 



form u la?, 44 



- inertness of colloids, 35 



- messengers, 136 



- potential, 14, 90 



- raised by adsorption, 70 



- senses, 107 



- stimulation of glands, 82 

 Chlorophyll, 51, 55 



- absorption spectrum of, 186 

 Chloroplasts, 54 



Ciliary muscle, 115, 213 

 Circulation in frog's web, 221 



- model of, 218 



- of blood, 132 

 Clotting of blood, 141 

 Cochlea, 108 



- preparations of, 212 

 Cohesion, 5 



Cold, 104, 106 

 Colloidal complexes, 36 



- gold, 176 



- ion, 33 



state, 30, 32 

 Colour perception, 117 

 Combustion, 11 



- in air, 189 



in animals, 1 1 



- mechanism of, 72 



- of sugars, 72 

 Concentration of reagents, 68 

 Conditioned reflexes, 127 

 Cones of retina, 116 

 Conjugation, 152 

 Consciousness, 103, 105, 120, 124 

 Constituents of diet, 65 



