Topics: Trichology Quiz
The process of hair turning grey is usually caused by:
A. the natural aging process
B. hair damaged at the papilla
C. hair fiber over 15 years in age
D. being exposed to excessive sunlight
Select your answer:

Topics:
Carbohydrates The Vascular System and Blood Flow The Human Body Neurology Pathology of Cardiovascular Disease Eye and Ear Epithelial Tissue Counseling: Fact or Myth? Biopsychology - Neuroplasticity and Functional Recovery Skeletal System Vocabulary Surgical Vocabulary Absorption, Lymphatic System, and Blood Vessels Receptors Macromolecules and Enzymes PhysiologyOther quiz:
Macromolecules › ViewA carbohydrate is a macromolecule that is used to…
A. give cells/systems energy.
B. build cell parts.
C. give cells/systems long term energy storage.
D. help cells with chemical processes.
Asexual/Sexual Reproduction › View
Which type(s) of reproduction includes chromosomes being passed to offspring?
A. asexual
B. sexual
C. both