★ Circulatory & Respiratory Quiz
What is breathed out from our mouth and nose?
A. carbon dioxide
B. oxygen
C. nitrogen
D. helium
Select your answer:
Topics:
Body Fluids and Blood Cells Cardiovascular Physiology - Function Nursing Vocabulary Muscles Brain Bones Anatomy Laboratory Careers Protein Synthesis Enzymes Advanced Stretching SM2 Asexual Reproduction Nutrition & Wellness Non-infectious Disease Composition of Blood and Blood Cells Living Organisms Integumentary and Musculoskeletal SystemsOther quiz:
History of Psychology › ViewPsychologists study human _______________________ by observing and measuring how people act.
A. behavior
B. natural
C. bilogy
D. none of the above
Sources Of Food › View
Seeds are found in pods in the ____ plants.
A. cereals
B. grass family
C. leguminous