Time to be real scientists!. For years we could not figure out the circulatory system! Could see veins, arteries, heart, etc … They knew the blood got.

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Presentation transcript:

Time to be real scientists!

For years we could not figure out the circulatory system! Could see veins, arteries, heart, etc … They knew the blood got back to the heart but at a certain point … nothing could be seen connecting them! Enter … Marcello Malpighi

Was examining frog tissues when he discovered a network of tiny veins and arteries! Capillaries  Latin for “hair”

Humans eyes can only see clear, defined images that are 0.1mm or larger. Whole world we cannot see Enter 1600 century and BAM …!

Compound Light Microscopes! compound microscope Two or more lenses = compound microscope! Why compound LIGHT microscope? Light/lamp located at base Microscopes magnify tiny items

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