Which of the following activities has the largest energy expenditure in 5 minutes?
a. jogging
b. bicycling
c. walking up stairs
d. shoveling snow
e. walking slowly on level ground
C
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Asynchronous recruitment gives motors units that have been active an opportunity to rest while others are firing
Indicate whether the statement is true or false
The trigone of the bladder:
A) forms the boundaries of the internal urethral orifice. B) is a slight elevation of the internal posterior wall produced by the prostate. C) is the internal area demarcated by the internal urethral and ureteric orifices. D) is the extraperitoneal part of the external surface. E) is synonymous with the apex.
If a secondary oocyte is fertilized and successfully implants in the uterine lining,
A. the corpus luteum is maintained until the placenta begins to secrete estrogen and progesterone. B. the uterine lining undergoes a proliferative phase. C. the corpus albicans secretes gonadotropin-inhibiting hormone to prevent further follicular development. D. the ovarian cycle begins again. E. All of the choices are correct.
Myelin is rich in ________.
A. nucleic acids B. lipids C. carbohydrates D. salts