★ 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:
Organization of Systems DNA Structure and Function Integumentary System Muscle System Vision (AP Psych) Homeotic Genes and Cancer Blood types and Blood Components Reproduction Muscular System Movements Germs Muscles and Healthy Body Bacteria, Viruses, and Fungi Circulatory & Respiratory Hematologic System MuscularOther quiz:
Human Circulatory System › ViewIn which system of the human body does the heart belong?
A. Nervous
B. Skeletal
C. Cardiovascular
D. Digestive
Organ Systems › View
Which system connects to the bones to move them?
A. digestive system
B. circulatory system
C. skeletal system
D. muscular system