Macro Photography 1st attempt

Here are a few images i shot using a Nikon D200 with a 60mm AF Micro Nikkor lens for my macro class. The first one is of my husband Larry's eye, I like it because it shows the eyelashes coming out of the skin, it's amazing. The second one is just of pages in a book, it looked kinda cool laying there so i had to take it. The third image is of my husband Larry's tongue, I know it looks gross at first but it's cool because you can actually see all the taste buds on his tongue. The last image is of the buttons on my cell phone. It's kind of a technical geeky thing but it's neat to me because you never know what you may have to take a picture of if you went into crime scene photography. These are just a few of my beginning shots, let me know what you think about them.