Topics: Human Circulatory System Quiz
How does the heart work?
A. It pumps blood first to the lungs, back to the heart and then around the rest of the body.
B. It pumps blood first to the rest of the body, back to the lungs and then to the heart.
C. It pumps blood around the rest of the body, back to the heart and then to the lungs,
Select your answer:

Topics:
Blood Pressure and Blood Vessels ESR (RBC sed rate) Orthopedics Macromolecules & Enzymes Histology of Nervous and Muscle Tissues Digestive System and Nutrition Renal and Gastrointestinal System History of Healthcare Cardiovascular System Anatomy Science Reproduction The Inflammatory Response Circulatory and Nervous System Balanced Diet Food and Health & Bones and Muscles Cardiovascular and RespiratoryOther quiz:
Bone, Spine, and Joint Pathology › Viewabnormal increase in forward curvature of lumbar spine; swayback
A. kyphosis
B. scoliosis
C. herniated disc
D. lordosis
Physical Activity › View
Any low intensity exercise where oxygen is used
A. Aerobic
B. Anaerobic
C. Exercise
D. Sleep