Increased phosphate ion concentration is believed to contribute to fatigue by interfering with
A. calcium release from the sarcoplasmic reticulum.
B. levels of available ATP to provide energy for contraction.
C. phosphate release by myosin heads during crossbridge cycling.
D. ACh release by synaptic knobs of motor neurons.
C
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This figure shows the lymphatic system. Which number indicates the inguinal lymph nodes?
A. 9 B. 1 C. 4 D. 5 E. 10
Removal of intervertebral disc material by perforating and scraping out of contents is called disc ____________
Fill in the blank(s) with correct word
Which one of the following involves a response of a skeletal muscle through an efferent output?
a. augmented breathing from the diaphragm b. delayed emptying of the stomach c. increased pumping of blood d. increased secretion of insulin e. initiation of sweating
The process of reproducing by bringing the genetic material from two organisms together is called ________ reproduction.
Fill in the blank(s) with the appropriate word(s).