A surge in LH halts estrogen synthesis
Indicate whether the statement is true or false
T
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When flexing the elbow, the biceps brachii, brachioradialis, and brachialis are the three major agonists recruited to perform this movement because all cause flexion at the elbow. However, the biceps also cause supination, an undesired movement. Therefore another muscle acting as a ________, causing ________ must be recruited to prevent the undesired motion.
A. stabilizer, extension B. neutralizer, extension C. stabilizer, pronation D. neutralizer, pronation
Fertilization can only occur
A. when a sperm cell penetrates a secondary oocyte. B. when there is no menstrual flow. C. if orgasms occur in both the male and female. D. after oxytocin is released from the hypothalamus. E. on day 14 of the cycle.
Which of the following is part of the upper respiratory tract?
A. lungs B. pharynx C. trachea D. bronchi E. bronchioles
How is the vital capacity calculated?
A) Inspiratory reserve volume + tidal volume B) Inspiratory reserve volume + expiratory volume C) Expiratory reserve volume + tidal volume + inspiratory reserve volume D) Respiratory volume + tidal volume E) Expiratory reserve volume + tidal volume