Using the microscope to investigate cells

What happened to the image in the microscope?

As you can see they have very defined cell walls and nuclei.

Low power

Can you see the nucleus and cell membrane?

Do they look like little rooms like Hooke thought?

These carry oxygen and carbon dioxide using diffusion

The purple dots are platelets. They help your blood clot if needed.

Look at the shape. It has a lot of surface area. More area inside for hemoglobin.

What makes it green?