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Author Question: A herbal substance considered safe with no restrictions is considered class ____________________. ... (Read 54 times)

mia

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on: Jun 27, 2018
A herbal substance considered safe with no restrictions is considered class ___________________ _.
 
  Fill in the blank(s) with correct word

Question 2

A man who has had a vasectomy becomes functionally sterile because the sperm:
 
  1. Are no longer being produced.
  2. Are no longer motile and fertile.
  3. Cannot reach the outside of the body.
  4. Cannot penetrate an ovum.


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succesfull

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Reply #1 on: Jun 27, 2018
Answer to Question 1

1
one

Answer to Question 2

3
Rationale:
1. Sperm are produced in the seminiferous tubules in the testes, and are not affected by a vasectomy.
2. A vasectomy does not affect motility or fertility of sperm.
3. Sperm cannot reach the outside of the body in a man who has a vasectomy. The main function of the vas deferens, which is ligated in a vasectomy, is to squeeze the sperm from their storage site into the urethra.
4. Sperm cannot penetrate an ovum, but only because they cannot reach the outside of the body due to the ligation.


mia

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Reply 2 on: Jun 27, 2018
:D TYSM

emsimon14

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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