Select the correct statement about fertilization
A) If estrogen is present, the pathway through the cervical opening is blocked from sperm entry.
B) Both spermatozoa and the ovulated secondary oocyte remain viable for about 72 hours in the female reproductive tract.
C) Once inside the uterus, most sperm cells are protected and remain viable.
D) Millions of sperm cells are destroyed by the vagina's acidic environment.
D
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Symptoms of respiratory alkalosis include
A. tingling sensations. B. agitation. C. light headedness. D. all of the answer choices are correct.
At what location do the three bones of the os coxae fuse?
A. Ischial tuberosity B. Acetabulum C. Iliac crest D. Pelvic brim E. Pubic symphysis
Nephrons located close to the medulla with long nephron loops are called ________ nephrons
A) cortical B) juxtaglomerular C) vasa recta D) juxtamedullary E) Henle
In humans, blood returning from the big toe passes from the inferior vena cava to the _______.
A. left atrium>left ventricle>aorta B. left atrium>left ventricle>pulmonary trunk C. right atrium>right ventricle>aorta D. right atrium>right ventricle>pulmonary trunk