Factors that affect the affinity between hemoglobin and oxygen include CO2, __________, __________, and 2,3-bisphosphoglycerate
Fill in the blank(s) with correct word
acidity; temperature
temperature; acidity
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Homeostasis involves both ____________________ compensatory responses and ____________________ adaptations among the different body systems
Fill in the blank(s) with correct word
Edema can occur when there is
A. an increase in the amount of plasma proteins. B. a decrease in blood pressure. C. a decrease in capillary permeability to proteins. D. a blockage of the lymphatics. E. an increase in blood colloid osmotic pressure.
Match the following:
A) Treppe B) Maximal stimulus C) Multiple motor unit summation D) Tetanus E) Wave summation 1) The stimulus above which no stronger contraction can be elicited, because all motor units are firing in the muscle. 2) The phenomenon in which the contraction strength of a muscle increases, due to increased Ca2+ availability and enzyme efficiency during the warm-up. 3) Continued sustained smooth contraction due to rapid stimulation. 4) The situation in which contractions become stronger due to stimulation before complete relaxation occurs. 5) How a smooth increase in muscle force is produced.
At peak levels muscle exertion the mitochondria can supply only about
A. 1/5 of energy B. 1/4 of energy C.1/3 of energy D. 70% of energy