★ Respiratory and Circulatory Quiz
Found in the heart and veins and prevents blood from flowing backwards.
A. valves
B. arteries
C. capillaries
D. marrow
Select your answer:

Topics:
Pathophysiology - Adaptive Immunity Nutrition & Wellness Excretion Pulmonology/Respiratory Respiratory and Urinary Diet Health and The Environment Epidemiology Cell and Tissue Bariatric Surgery and Diabetes Animal Genetics and Nutrition SCI CH2-1 Asthma Diseases of The Body Systems Human Body and PathogensOther quiz:
Gaseous Exchange in Humans › ViewCarbon dioxide diffuses from ________ to alveolus
A. trachea
B. lung
C. blood capillary
D. bronchus
Therapeutic Services Roots › View
CHONDRItis is an inflammation of this………
A. cartilage
B. skin
C. eyes
D. nerves