During activities requiring aerobic endurance
A) oxygen is not required
B) oxygen debts are common
C) most of the muscle's energy is produced in mitochondria
D) glycogen and glycolysis are the primary sources of reserve energy
E) fatigue occurs in a few minutes
C) most of the muscle's energy is produced in mitochondria
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The detrusor muscle
A) moves urine through the ureters through peristaltic contractions. B) compresses the urinary bladder and expels urine through the urethra. C) exclusively functions as the internal urethral sphincter. D) exclusively functions as the external urethral sphincter. E) provides voluntary control over the discharge of urine from the bladder.
Location of the Laryngopharnyx
What will be an ideal response?
A ______________ can be placed over or under the horse's halter for added control
Fill in the blank(s) with correct word
Cells can increase their responsiveness to an external chemical regulator by
A. increasing the number of their transmembrane receptors by exocytosis. B. decreasing the number of their transmembrane receptors by endocytosis. C. uncoupling their receptors from the second message generator. D. increasing the number of their transmembrane receptors by endocytosis. E. mutating their extracellular receptors so that the affinity for the chemical regulator is reduced.