Answer:
Here's your answer :)
Explanation:
To be able to see anything, eyes first need to process light. Vision begins with light passing through the cornea, which does about three-quarters of the focusing, and then the lens, which adjusts the focus
Answer:
wait, wait, wait, I got it, nevermind
Answer: taking your mind off of something negative could be beneficial
Explanation:
Answer:
By providing the nutrients need for development and getting rid of waste the fetus produces. Pretty much a barrier between the mother and fetus circulation.