★ Respiratory System Quiz
To go on living, the body’s cells need food, water, chemicals and …
A. Helium
B. Oxygen
C. Nitrogen
D. Carbon Dioxide
Select your answer:
Topics:
Lung & Breathing Special Senses Disease, Immunity, and Phatogens Immunity in Humans Nutrition in Humans and Animals Fitness Human Organ System Cell Review Circulatory, Artery, Vein - basics Cell Health Issues Related to Digesting System and Eating Habits Digestion Purpose and Function of the Skeletal System Nutrition - Digestive System EntomologyOther quiz:
Microbiology › ViewDestruction of lymphocytes with self-specificity is called ______.
A. hypersensititivity
B. proliferation
C. clonal selection
D. clonal deletion
Integumentary System › View
Nails are made out of what?
A. All of the Above
B. Terminal
C. Vellus
D. Keratin