Anatomy and physiology students observe their own cheek cells during lab, Oct.4. During the beginning of the year students study the chemistry of life.

There are four molecules that make up the building blocks of life, proteins, nucleic acids, carbohydrates, and lipids. The four molecules converge together in order to form cells, cells are what makeup homeostasis.

To make the cheek cells more visible they are dyed with a dark substance called methylene blue. Methylene blue is a chemical that is commonly used in the medical field.

Around 1668, a Dutch Microbiologist named Antonie Van Leeuwenhoek is credited as the first man to peer into a microscope and discover living organisms. His contributions to modern-day science give insight into the world of microorganisms and an ecosystem often unnoticed.

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