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By the eighth week of human fetal development, ____.

roltschj

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6 years ago

By the eighth week of human fetal development, ____.

By the eighth week of human fetal development, ____.
a. the embryo does not look human yet
b. the neural tube has just begun to differentiate
c. upper and lower limbs have formed, but individual fingers and toes have not begun to differentiate
d. male or female reproductive structures have not started to form yet
e. male or female reproductive structures are forming

Question 2

Labor preceding birth _____.
a. is a positive feedback loop
b. is a negative feedback loop
c. is influenced by prolactin
d. proceeds at a regular pace
e. stabilizes hormonal balance

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cg5232

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6 years ago

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roltschj Author

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6 years ago

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