This figure shows the duct system in the male reproductive tract. Which number indicates the seminal vesicle?
A. 2
B. 3
C. 4
D. 5
E. 7
Answer: B
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From ages 20 to 70, we see a loss of lean body mass as a result of up to 30 percent loss in the number of muscle cells, atrophy of muscle cells, and a general decrease in muscle strength
Indicate whether the statement is true or false.
The nutrients that yield the most energy per gram when metabolized are _______.
A) nucleic acids. B) carbohydrates. C) vitamins. D) proteins. E) fats.
Which clotting pathway involves the combining of thromboplastin (factor III) with factor VII and calcium?
A. The extrinsic pathway B. The intrinsic pathway C. The common pathway D. Each of the three pathways (intrinsic, extrinsic, and common).
The hormone called ________ plays an important role in synchronizing physiological function with the cycle of daylight and darkness
A) melatonin B) inhibin C) melanin D) calcitonin E) hepcidin