Examlex
Write the number in scientific notation.
-A beam of light can travel from my house to yours in 60 nanoseconds. (the prefix nano means one billionth) .
Hypodermis
Also known as the subcutaneous layer, this is the deepest layer of skin, composed mainly of fat and connective tissue, providing insulation and cushioning.
Epidermis
The outermost layer of skin, serving as a barrier to protect the body from the external environment.
Dermis
The layer of skin beneath the epidermis, containing blood capillaries, nerve endings, sweat glands, and hair follicles.
Major Tissue Types
The four predominant categories of tissues in the body: epithelial, connective, muscle, and nervous tissues.
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