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Author Question: Which of the following is a serious chronic respiratory disease of children? a. Otitis media b. ... (Read 160 times)

MGLQZ

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on: Jun 25, 2018
Which of the following is a serious chronic respiratory disease of children?
 a. Otitis media
  b. Tonsillitis
  c. Chickenpox
  d. Asthma
  e. Frequent colds

Question 2

The bones, muscles, internal organs, dentin, cementum, and pulp of the teeth are formed from which layer?
 a. Ectoderm
  b. Endoderm
  c. Mesoderm
  d. Both a and c


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firehawk60

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Reply #1 on: Jun 25, 2018
Answer to Question 1

d

Answer to Question 2

c
RATIONALE: The bones, muscles, internal organs, dentin, cementum, and pulp of the teeth are formed from the mesoderm phase of embryonic development.


MGLQZ

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Reply 2 on: Jun 25, 2018
:D TYSM

nguyenhoanhat

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Reply 3 on: Yesterday
Wow, this really help

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