No system is closed off by it surroundings.
Answer:
A.
Explanation:
because it studies the key word Astro which means astrophysics which is stars good luck
Atropine would block the receptor called muscarinic acetylcholine receptors present in the eye.
Atropine is the Anticholinergic agent which is also known as parasympatholytics. The activity of neurotransmitters at the receptors leads to pupil constriction.
Atropine is used to block these receptors that allow the pupillary muscles to relax. This causes the dilation of the pupil.
Atropine is the mydriatics that is used for pupillary dilation to conduct a detailed examination of eye diseases.
without this medication, the pupil will only dilate in the darkness. However, doctors cannot examine the eye problems as there is darkness as they need light for checkups.
If you need to learn more about Atropine, click here:
brainly.com/question/14080697
#SPJ4
