Select your answer:
Topics:
Muscles Nail Diseases and Disorders Pathology Endocrine Anatomy: Muscle Cell Cycle Enzymes and Digestion Cardiac & Diseases of Blood Flow Vitamins and Minerals BMI, Body Composition and Body Types Respiration, Immune System, Blood Cells Pulse Pharmacology Vitamins The Brain Our Control Center Enzymes and Their Functions Genetic DiseasesOther quiz:
Properties of the Hair › ViewThe outermost layer of the hair shaft is the ____
A. cuticle
B. cortex
C. lymph
D. medulla
Respiratory System › View
The only externally visible part of the respiratory system
A. Eyes
B. Nose
C. Pharynx
D. Larynx