The images below are from prepared slides depicting mammal spleen, a typical animal cell, cardiac muscle, pancreas, and two hydra prepared slides. Purchase prepared slide kits here.

 Mammal Trachea under the Microscope   dog cardiac muscle at 100x under the microscope 
Mammal Trachea    Dog Cardiac muscle
     
 Hydra with Bud under Microscope    Hydra Under Microscope
 Hydra with Bud    Hydra c.s.
     
Typical animal cell at 400x microscope magnification    Mammal Lung Under the Microscope
Typical Animal Cells    Mammal Lung
     
 Mammal Pancrease under the Microscope    40x dog esophogus under the microscope
Mammal Pancreas   Mammal Esophogus
     
Mammal Spleen under the Microscope     Mammal stomach under the microscope
 Mammal Spleen    Mammal Stomach