The lungs develop from
A. an evagination from the floor of the diencephalon.
B. an invagination from the hindgut.
C. an evagination from the foregut.
D. somitomeres.
E. neural crest cells.
Answer: C
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Which of the following is not true of the acetabulum?
A. It is formed by fusion of the pubis, ischium, and ilium. B. It is shallow and allows for great mobility of the femur. C. It articulates with the head of the femur. D. It contributes to formation of the ball and socket joint of the hip. E. It was named for its resemblance to ancient Roman vinegar cups.
The thymus is in the mediastinum behind the sternum.
Answer the following statement true (T) or false (F)
Which list correctly orders energy expenditure from greatest to least amount of kcal/hr?
a. walking up stairs ? rowing (20 strokes/minute) ? jogging ? swimming ? bicycling (5.5 miles/hour) b. swimming ? walking up stairs ? rowing (20 strokes/minute) ? jogging ? bicycling (5.5 miles/hour) c. jogging ? walking up stairs ? bicycling (5.5 miles/hour) ? rowing (20 strokes/minute) ? swimming d. swimming ? rowing (20 strokes/minute) ? jogging ? walking up stairs ? bicycling (5.5 miles/hour) e. walking up stairs ? bicycling (5.5 miles/hour) ? swimming ? rowing (20 strokes/minute) ? jogging
Sperm are unique amongst human cells because ________.
A. they have a flagellum B. they are produced by meiosis C. they lack a nucleus D. everyone produces them