★ Circulatory and Nervous System Quiz
What is the smaller branches of the veins that carry back the blood to the heart?
A. OARTA
B. Venules
C. Capillaries
D. Venules
Select your answer:

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Population Genetics Motor Neuron Disease PBS Routine Testing Hemodynamics Circulatory & Respiratory All About Bacteria Microbial Growth & Nutrition Germs & Diseases Biodiversity Renal System - Pharmacology Physical fitness , Wellness and Lifestyle Immunity and Vaccines Structures and Functions of Living Organisms and Genetics Human Health Integumentary System & Body DirectionsOther quiz:
All About Blood › ViewWhat do red blood cells do?
A. Carry carbon dioxide to the rest of the body from the lungs, while taking oxygen back to the lungs to be exhaled
B. Fights of infections and bacteria
C. Makes our blood red
D. Carry oxygen from the lungs to the rest of the body, while taking carbon dioxide back to the lungs to be exhaled
Animal Nutrition › View
Macromolecules are _______ because they are _______
A. large; complex
B. small; complex
C. large; simple
D. small; simple