organ of the body with an area of approximately 2m2 and is the interface between the organism and its environment. It prevents the loss of water and the ingress of foreign materials. In essence, the skin consists of three functional layers: the epidermis, the dermis (corneum) and the hypodermis. The hypodermis is a subcutaneous tissue consisting of fat and muscle and acts as a heat isolator, a shock absorber, and an energy storage region. The dermis is 2 mm thick and contains collagen, elastic fibers
it has a couples of disadvantages that cannot be denied , however , it is still able to view the microbes . It is also the commonly used microscope for the student in University . Materials Onion bud leaves , acetocarmine stain , methlyene blue , safranin , immersion oil, light microscopes, glass slides , cotton bud stick , cover slips , blades forceps , distilled water Methods Onion bulb Leaf 1.Students were given a segment of onion bulb leaf 2.The onion epidermis was peeled off from the