Topics: Vocabulary - Health Quiz
The _____ is our main defence against disease.
A. immune system
B. digestive system
C. respiratory system
D. circulatory system
Select your answer:
Topics:
AEMT EMS Systems Respiratory System Upper Limb History of Immunology Mitosis Types of Reproduction The Brain Our Control Center Forensics Terms Endocrine System All About Bacteria Nervous / Sensory System Food and Health & Bones and Muscles Cardiology Medications Types of Immunity Cardiovascular System TerminologyOther quiz:
Biodiversity › ViewThe level of biodiversity that involves a variety of habits and communities is _____ diversity.
A. ecosystem
B. population
C. genetic
D. species
The Human Eye › View
What is the aqueous humor?
A. fibers that hold the lens in place
B. thin structure that controls pupil
C. clear, watery fluid
D. helps refract light to the retina