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Author Question: The _____ are only one cell in thickness and are the smallest blood vessels in the body. A) ... (Read 76 times)

Chelseaamend

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The _____ are only one cell in thickness and are the smallest blood vessels in the body.
 A) arterioles
  B) venules
  C) capillaries
  D) coronary arteries

Question 2

Hormones are secreted directly into the bloodstream by ___________________ _ glands.
 Fill in the blank(s) with correct word



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smrerig

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Answer to Question 1

C

Answer to Question 2

endocrine




Chelseaamend

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Reply 2 on: Jun 26, 2018
:D TYSM


cpetit11

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Reply 3 on: Yesterday
Excellent

 

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