Implantation involves ________
A) formation of germ layers
B) placenta completion
C) embedding of the blastocyst in the uterine wall
D) fusion of egg and sperm
C
Explanation:
A) The germ layers form after implantation.
B) The placenta does not begin to form until after implantation.
D) Fertilization is the fusion of the egg and sperm.
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Multiunit smooth muscle is located in the
A. reproductive system. B. wall of blood vessels. C. gastrocnemius. D. wall of the GI tract. E. wall of the heart.
In aquatic vertebrates, gustation always involves detecting sensations involved with
A) Predators. B) Potential mates. C) Food. D) All of the above
Branches of the pudendal nerve are anesthetized during childbirth before the doctor performs a(an) _______________
Fill in the blank(s) with the appropriate word(s).
Which is a sesamoid bone?
A. Cuboid B. Sphenoid C. Talus D. Scaphoid E. Patella