★ Lung & Breathing Quiz
Which gas we take in when we inhale?
A. Oxygen
B. Carbon dioxide
C. Nitrogen
D. Hydrogen
Select your answer:
Topics:
Blood and Hematology Metabolism Prokaryotic Cells and Viruses CP A&P: Cardiovascular Brain, Neurons and The Nervous System Tutor Oral Biology Nervous, Musculoskeletal Systems, Integumentary Systems Uses of Radioactive Radiation Medical Careers Transport System in Man Physical and Sensory Impairment Respiratory Acidosis Disease, Illness and Sickness Introduction to Histology Personal Growth PlanOther quiz:
Lipids › ViewWhy is saturated fat found in so many animal products?
A. Because it’s part of the cell membranes of animal tissues
B. Because animals must eat saturated fat to survive
C. Because proteins are broken down into saturated fat when animals die
D. Because saturated fat is a key component of animal bones
Integumentary System › View
Melanin:
A. Helps protect skin from UV radiation
B. Is found in almost every human being
C. Is responsible for skin color
D. All of the above