On the flip side, if youâre not closely monitoring your blood sugar levels, they can drop too low. 1  Warning signs of low blood sugar, or hypoglycemia, include: 2  Dizziness. 3  Irritability. 4  Sweating. 5  Weakness. 6  Lack of coordination.
1. Epidermis. This outer (superficial) layer of skin, composed of keratinized stratified squamous epithelium, derives from embryonic surface ectoderm. It is avascular, receiving nourishment from vessels in the underlying dermis. Its only innervation (nerve supply) is by unencapsulated (free) nerve endings.
Co-developed by: A manâs chest â like the rest of his body â is covered with skin that has two layers. 1  The epidermis is the outermost layer that provides a protective, waterproof seal over the body.  The dermis is the under layer that contains sweat glands, hair follicles, blood vessels, and more.