The extraembryonic membrane that contains fluid that surrounds and cushions the developing embryo and fetus is known as the
A) yolk sac.
B) amnion.
C) allantois.
D) chorion.
E) uterus.
B) amnion.
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The vagina is lined by (a)
A) simple ciliated columnar epithelium. B) simple cuboidal epithelium. C) transitional epithelium. D) stratified squamous epithelium. E) None of the answers are correct.
Which of the following is not a requirement for measurement of the basal metabolic rate (BMR)?
a. The person must not have exercised for at least 30 minutes. b. The person must not have eaten any food within 12 hours. c. The person must have slept at least seven hours the previous night. d. The person should be at mental rest during the measurement. e. The measurement should take place at a comfortable room temperature.
The swimming capacity of human sperm is attained within the
A) Bulbourethral gland. B) Epididymis. C) Prostate gland. D) Seminal vesicles.
When epiblast cells travel through the primitive streak and underneath the epiblast layer, that movement is described as
A. capacitation. B. invagination. C. chemotaxation. D. cleavage.