Select your answer:
Topics:
Anatomy and Physiology Skeletal System Beneath the Skin Central and Peripheral Nervous System Pathology Endocrine Haematology Heterotrophic Nutrition Trauma Characteristics of Life The Cardiovascular System: Blood Vessels and Hemodynamics Neurological Concepts Eyes Tissue Repair Pathology Fats And Oil Orthopaedic Neurology Vocabulary - HealthOther quiz:
Pathophysiology › ViewThe 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
Biodiversity › View
Which two kingdoms are entirely multicellular?
A. Animalia and Plantae
B. Animalia and Protista
C. Protista and Plantae