Each of the following statements concerning development is true except
A) embryonic development includes the events that occur in the first 2 months.
B) fetal development occurs from the 9th week until birth.
C) the first trimester is when the fetus first looks distinctively human.
D) postnatal development begins at birth.
E) organ development is complete by the end of the 6th month.
Answer: C
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The vertebral column contains ________ cervical vertebrae.
A) 4 B) 5 C) 7 D) 12 E) 31
Development and maintenance of the male body configuration results from the general protein anabolic effect of testosterone
Indicate whether the statement is true or false
Atoms composed of the same numbers of protons and electrons, but different numbers of neutrons, are called
a. isomers. b. ions. c. isotopes. d. organic atoms.
The only direct connection between the pectoral girdle and the axial skeleton is where the
A) clavicle articulates with the humerus. B) clavicle articulates with the manubrium of the sternum. C) coxal bones articulate with the femur. D) vertebral column articulates with the sacrum. E) clavicle articulates with the xiphoid process.