On the second trimester, an expecting mother should consume about 2,200 calories per day. Consuming 1,800 calories per day is good for the first trimester but as the child develops, it would need more nutrients. During the third trimester, the mother should eat about 2,400 calories per day.
Microscopy is the science of investigating small objects and structures using a microscope. ... Microscopic means being invisible to the eye unless aided by a microscope.