Explanation:
<em>A sphincter is a circular muscle that normally maintains constriction of a natural body passage or orifice and which relaxes as required by normal physiological functioning. ... There are over 60 types in the human body, some microscopically small, in particular the millions of precapillary sphincters.</em>
Comparative morphology : A.Compares the physical structure of organisms from different species
With this , we can study each uniqueness of specific species and might able to learn their daily function and behavior
hope this helps
Answer:
I believe the correct answer is true!! I hope this helps and have a great day!
Explanation:
I think it’s B? but i’m not sure.