The tiny blood vessels that allow substances to move in and out of the blood stream, like oxygen and carbon dioxide, are called:
A. aortas
B. bronchioles
C. veins
D. capillaries
Select your answer:
Topics:
Animal Genetics and Nutrition Microorganisms, Health and Diseases Neurological Disorders Endocrine System and Nervous System Cells and Organ Systems Digestion Nursing Vocabulary Phlebotomy Medical Terminology Health and Diseases Urinary Human Eye and Colourful World Digestive and Circulatory System Uses of Radioactive Radiation Arteries Oral SurgeryOther quiz:
Musculoskeletal Injuries › ViewPre-activity screening is undertaken in all professional sports in an effort to:
A. Provide a baseline to which future tests can be compared
B. Identify the most suitable playing position on a team
C. Minimise the risk of injury during physical activity
D. Best plan a training program
Human Body › View
Which organ pumps blood?
A. Kidney
B. lungs
C. Heart
D. Veins