
★ Properties of Hair and Scalp Quiz
The outer most layer of the hair shaft is the ______
A. medulla
B. pith
C. cortex
D. cuticle
Topics:
Heart Human Reproduction Anatomy Muscles Germs & Diseases Virus Mutations, Replication, and Cancer Understanding Psychology Nervous System The Circulatory System Pathogens The Brain Our Control Center Nutrition - Digestive System Phlebotomy Medical Terminology Consciousness and Sleep Special Senses DNA ReplicationOther quiz: Body System Interactions
David has diabetes. His sugar level is often rising and lowering. Which body system is in charge of regulating his sugar levels?
A. Excretory
B. Endocrine
C. Circulatory
D. Nervous