Select your answer:

Topics:
Safety Terms Respiration Injuries in Archery Pathology of Respiratory System Brain, Neurons and The Nervous System Latin & Greek in Medicine Hormones Hele Skeletal System Carbohydrates Endocrinology Cardiovascular System First Aid Bleeding Health & Wellness Vocabulary Renal Pharmacology Human Anatomy Study GuideOther quiz:
Diversity › ViewBlue-green alga belongs to the group:
a. Plantae..
b. Animalia
c. Algae.
d. Cyanobacteria.
Human Body › View
It serves as one of our primary defense against pathogenic organisms and other organisms that can cause various diseases.
A. heart
B. liver
C. muscles
D. integument