★ Circulatory & Respiratory System Quiz
Which body system helps the respiratory system distribute oxygen and return waste carbon dioxide to the lungs to be exhaled?
A. Circulatory system
B. Digestive system
C. Excretory system
D. Muscular system
Select your answer:

Topics:
Healthy Lifestyle Movement Surgical Vocabulary DNA Replication Bacterial Growth Physiology Humanistic and Biological Psychology Microbial Growth & Nutrition Epidemiology Glucose in the Body Gene Expression Disorders of The Joints Lungs Cell Structure and Functions EndocrinologyOther quiz:
Selective Breeding › ViewThe purpose of selective breeding is to
A. get bigger animals
B. get smaller animals
C. create animals with desirable traits
D. create animals with bad traits
Fats and Coronary Heart Disease › View
What is the primary function of fats in the human body?
A. Energy storage
B. Building muscle
C. Transporting oxygen
D. Regulating body temperature