Examlex
Which of the following is responsible for nearly 100,000 human deaths worldwide every year?
Hair Bulb
The rounded, bulbous base of a hair follicle containing actively dividing cells which produce the hair shaft.
Cuticle
The cuticle is a protective and waxy or hard outer layer found on the surface of plants, hairs, nails, and other surfaces, serving as a barrier against environmental damage.
Medulla
A section of the brainstem that controls vital bodily functions such as heartbeat and breathing.
Hair Root
The part of the hair located below the surface of the epidermis.
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