61. |
radiation
|
transfer of heat via infrared waves |
62. |
reduction
|
gaining of an electron |
63. |
salivary amylase
|
digestive enzyme that is found in the saliva and begins the digestion of carbohydrates in the mouth |
64. |
secretin
|
hormone released in the small intestine to aid in digestion |
65. |
sodium bicarbonate
|
anion released into the small intestine to neutralize the pH of the food from the stomach |
66. |
terminal electron acceptor
|
oxygen, the recipient of the free hydrogen at the end of the electron transport chain |
67. |
thermoneutral
|
external temperature at which the body does not expend any energy for thermoregulation, about 84 F |
68. |
thermoregulation
|
process of regulating the temperature of the body |
69. |
transamination
|
transfer of an amine group from one molecule to another as a way to turn nitrogen waste into ammonia
so that it can enter the urea cycle |
70. |
tricarboxylic acid cycle
|
(TCA) also called the Krebs cycle or the citric acid cycle; converts pyruvate into CO2 and high-energy
FADH2, NADH, and ATP molecules |
71. |
triglycerides
|
lipids, or fats, consisting of three fatty acid chains attached to a glycerol backbone |
72. |
trypsinogen
|
proenzyme form of trypsin |
73. |
trypsin
|
pancreatic enzyme that activates chymotrypsin and digests protein |
74. |
urea cycle
|
process that converts potentially toxic nitrogen waste into urea that can be eliminated through the kidneys |
75. |
vitamins
|
organic compounds required by the body to perform biochemical reactions like metabolism and bone,
cell, and tissue growth |