Author Question: ____________________ and ____________________ factors are associated with obesity in childhood. ... (Read 59 times)

Mimi

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___________________ _ and ___________________ _ factors are associated with obesity in childhood.
 
  Fill in the blank(s) with correct word

Question 2

Identify the general critical periods of fetal vulnerability to teratogens.
 
  What will be an ideal response?



ryansturges

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Answer to Question 1

Environmental; genetic

Answer to Question 2

Exposure to particular teratogens is most harmful during critical periods that correspond to times when organs are developing. For example, the heart develops rapidly in the third to fifth weeks after conception, and so is most vulnerable to certain teratogens at this time. The arms and legs are most vulnerable in the fourth to eights weeks. The major organ systems are most vulnerable during the embryonic stages. Some teratogens are harmful throughout the entire course of prenatal development.



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