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Anatomy - Muscle Contraction and Growth Diagnostic Tools Patho_Genetics Sexual Reproduction Aerobic- Cardio Respiratory Endurance Muscle Origin, Insertion, and Function The Cardiovascular System OCR A-level Tissues Vocabulary Anatomy - Cellular Respiration Skeletal System Introduction to Histology Safety and First Aid Cell Diabetes Pathophysiology Vessels

Other quiz:

Circulation and Excretion › View

Water across the gills of fish and the blood in the gills does in opposite direction enhancing the diffusion of oxygen from the water into the blood. What is this flow in the opposite direction called?

A. undirectional flow

B. countercurrent exchange

C. atriventricular exchange

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The Brain › View

Internal organs are found

A. outside

B. around

C. on top of

D. inside

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