The Prenatal Period During Which the Major Organ Systems Form

Q149: An embryo becomes a fetus about<br>A) 14

Q150: The major difference between an embryo and

Q151: Which germ layer is covering of the

Q152: The oropharyngeal and cloacal membranes, when opened,

Q153: The greenish discharge from the lower digestive

Q155: If the secondary palate does not fuse,

Q156: What event separates childhood from adolescence?<br>A) Onset

Q157: Before parturition,<br>A) the placenta secretes increased amounts

Q158: Once the embryonic mass has 12 or

Q159: The lungs develop from<br>A) somitomeres.<br>B) neural crest