How to Make Eyebrows Grow Faster The time it can take one single eyebrow hair to go through all the stages of growth varies on several factors, but it's safe to say that the period can take well over 60 days.
Hookeâs description of these cells was published in Micrographia. The cell walls observed by Hooke gave no indication of the nucleus and other organelles found in most living cells. The first man to witness a live cell under a microscope was Anton van Leeuwenhoek, who in 1674 described the algae Spirogyra.
_____ was/were the first to carefully document observations of blood cells, sperm cells, and other microorganisms. _____, sixteenth century eyeglass maker(s), experimented with glass lenses and a tube and found that objects could be magnified greatly.